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Home ▸ Catalog ▸ |Featured Collections| ▸ |Errett Bishop Collection||View Options:  |  |  |   

The Errett Bishop Collection

Errett Albert Bishop (July 14, 1928 - April 14, 1983) was an American mathematician known for his work on analysis and a professor at the University of California at San Diego. He expanded constructive analysis in his 1967 Foundations of Constructive Analysis, where he proved most of the important theorems in real analysis by constructive methods. (see https://en.wikipedia.org/wiki/Errett_Bishop).

He was also a great father and a fun-loving guy who would take his family biking, surfing, snorkeling, camping, etc. He enjoyed going to auctions, where he would often pick up an interesting artifact or a piece of art. Errett's son, Edward, in the photograph with his father on the right, describes his childhood home as half junk-yard, half museum. Errett especially loved ancient coins, and he was one of the founding members of the Ancient Coin Club in San Diego.

The Errett Bishop Collection includes over 1000 Ancient Greek, Roman Republic, Roman imperial, Roman provincial, Celtic, Judaean, Byzantine and other ancient coins collected from about 1960 to 1982. The collection includes 136 coins from Ptolemaic and Roman Egypt. The variety of types and the range from inexpensive to beautiful showcase coins means there are coins in this collection for almost every collection and every budget. Due to the size of the collection, it will be some time before they are all added to the shop. Keep looking here or in our recent additions to see them as we add them.


Balbinus, 22 April - 29 July 238 A.D.

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Providentia is the personification of the ability to foresee and make provision. She was among the embodiments of virtues that were part of the Imperial cult of ancient Rome. Providentia apparently did not favor Balbinus. If he had a little foresight, he would have modified the chain of events that led to his murder after a reign of only 99 days.
SH92614. Orichalcum sestertius, RIC IV 19, BMCRE VI 34, Cohen V 24 (12 fr.), Hunter III 19, SRCV III 8499, Choice gVF, well centered, excellent portrait, squared flan as typical for the period, some light corrosion, tiny edge crack, weight 21.840 g, maximum diameter 31.4 mm, die axis 0o, Rome mint, 22 Apr - 29 Jul 238 A.D.; obverse IMP CAES D CAEL BALBINVS AVG, laureate, draped, and cuirassed bust right, from the front; reverse PROVIDENTIA DEORVM (to the foresight of the gods), Providentia standing half left, head left, wand downward over globe at feet in right hand, cornucopia in left hand, S - C (senatus consulto) flanking low across field; from the Errett Bishop Collection, ex H. Donald Collection; scarce; $1200.00 (1056.00)


Ptolemaic Kingdom of Egypt, Ptolemy IV Philopator, 221 - 204 B.C.

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Ptolemy IV's surname, Philopator, means father lover, ironic since according to some authorities he poisoned his father. Ptolemy IV is a major protagonist of the apocryphal 3 Maccabees, which describes events following the Battle of Raphia, in both Jerusalem and Alexandria. He was a cruel and evil monarch.
SH93419. Bronze drachm, Lorber CPE B495; Svoronos 1125; Noeske 140 ff.; SNG Cop 199; Weiser 49; BMC Ptolemies p. 57, 106 ff.; Hosking -, Choice EF, beautiful depiction of Zeus, perfect centering, slight weakness in hair, light deposits, central depressions, beveled obverse edge, weight 68.235 g, maximum diameter 41.7 mm, die axis 0o, Alexandria mint, c. 219 - 204 B.C.; obverse horned head of Zeus Ammon right, wearing taenia; reverse ΠTOΛEMAIOY BAΣIΛEΩΣ (King Ptolemy), eagle standing left on thunderbolt, wings closed, filleted cornucopia left, ∆I between eagle's legs; from the Errett Bishop Collection, a superb and massive 68g Ptolemaic bronze!; $1100.00 (968.00)


Ptolemaic Kingdom of Egypt, Ptolemy III Euergetes, 246 - 222 B.C.

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Ptolemy III Euergetes was the third ruler of the Ptolemaic dynasty in Egypt. He promoted the translation of Jewish scriptures into Greek as the Septuagint. Due to a falling out at the Seleucid court, his eldest sister Berenice Phernophorus was murdered along with her infant son. In response, he invaded Syria, occupied Antioch, and even reached Babylon. This war, the Third Syrian War, is cryptically alluded to in Daniel XI 7-9. The Ptolemaic kingdom reached the height of its power during his reign.
GP93402. Bronze hemidrachm, Lorber CPE B936; Svoronos 965; SNG Cop 173; Weiser 72; BMC Ptolemies p. 55, 89; SNG Milan 166; SNG Blackburn 1165; Noeske 120; Hosking 31; Weber 8259, Choice EF, attractive style, well centered, mottled burgundy, red, brown and olive patina, ares of light corrosion, central depressions,, weight 30.905 g, maximum diameter 35.7 mm, die axis 0o, Alexandria mint, 246 - 222 B.C.; obverse horned head of Zeus Ammon right, wearing taenia; reverse ΠTOΛEMAIOY BAΣIΛEΩΣ (King Ptolemy), eagle standing left on thunderbolt, head left, wings closed, filleted cornucopia left, chi-rho monogram between eagle's legs; from the Errett Bishop Collection; $700.00 (616.00)


Ptolemaic Kingdom of Egypt, Ptolemy III Euergetes, 246 - 222 B.C.

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Ptolemy III Euergetes promoted the translation of Jewish scriptures into Greek as the Septuagint. Due to a falling out at the Seleucid court, his eldest sister Berenice Phernophorus was murdered along with her infant son. In response, he invaded Syria, occupied Antioch, and even reached Babylon. This war, the Third Syrian War, is cryptically alluded to in Daniel XI 7-9. The Ptolemaic kingdom reached the height of its power during his reign.
GP93422. Bronze drachm, Lorber CPE B395, Svoronos 964; Weiser 71; SNG Cop 171; SNG Milan 155; Hosking 30; BMC Ptolemies p. 55, 87, Choice aEF, attractive very unusual multicolored patina, well centered and struck, central depressions, weight 70.142 g, maximum diameter 42.8 mm, die axis 0o, Alexandria mint, 246 - 222 B.C.; obverse horned head of Zeus Ammon right, wearing taenia; reverse ΠTOΛEMAIOY BAΣIΛEΩΣ (King Ptolemy), eagle standing left on thunderbolt, wings closed, filleted cornucopia left, chi-rho monogram between eagle's legs; from the Errett Bishop Collection, ex Numismatic Art and Ancient Coins (Zurich); a massive 70 gram Ptolemaic bronze!; $550.00 (484.00)


Lucilla, Augusta c. 164 - 182 A.D., Wife of Lucius Verus

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For Roman wives, piety often meant accepting neglect. It was not considered adultery for a Roman husband to have sex with slaves or unmarried women. The historian Spartianus wrote that after Lucilla complained, Lucius Verus reproached her: "Uxor enim dignitatis nomen est, non voluptatis" (Wife is the name of dignity, not bliss).
RB92463. Orichalcum sestertius, RIC III 1756, BMCRE IV 1161, Cohen III 54, Hunter II 27, SRCV II 5505, VF, nice portrait, flow lines, well centered on a squared flan, light bumps and scratches, weight 26.206 g, maximum diameter 30.2 mm, die axis 330o, Rome mint, 164 - 166 A.D.; obverse LVCILLAE AVG ANTONINI AVG F, draped bust right, hair waived and knotted in chignon low at back; reverse PIETAS, Pietas standing left, veiled, right hand extended over flaming altar at feet on left, incense box in left hand, S - C (senatus consulto) flanking across field; from the Errett Bishop Collection; $500.00 (440.00)


Claudius, 25 January 41 - 13 October 54 A.D.

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A "Tiber patina," sometimes called a river patina, is technically not a patina at all. Rather, submersion in anaerobic fresh water or mud on a river bottom has prevented a normal patina from forming. The shiny original surfaces of the coin often becomes subdued and grainy or porous. Curvy lines of corrosion, with an appearance similar to worm holes in wood, are seen on this coin and are common on river found coins. We don't know what causes these strange flaws.
SL89519. Orichalcum sestertius, RIC I 99, SRCV I 1853, BMCRE I 124, Cohen I 85, NGC Ch VF, strike 4/5, surface 1/5 (24900381-001), Tiber patina with porosity and corrosion typical of a fresh water find, weight 23.735 g, maximum diameter 35.4 mm, die axis 180o, Western branch "barbarous" mint, c. 41 A.D.; obverse TI CLAVDIVS CAESAR AVG P M TR P IMP, laureate head right; reverse SPES AVGVSTA, Spes walking left, flower in extended right hand, raising fold of chiton with left hand, S C (senatus consulto) in exergue; from the Errett Bishop Collection, photos taken before certification, now in a NGC holder; $300.00 (264.00)


Septimius Severus, 9 April 193 - 4 February 211 A.D.

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Victory or Nike is seen with wings in most statues and paintings, with one of the most famous being the Winged Victory of Samothrace. Most other winged deities in the Greek pantheon had shed their wings by Classical times. Nike is the goddess of strength, speed, and victory. Nike was a very close acquaintance of Athena and is thought to have stood in Athena's outstretched hand in the statue of Athena located in the Parthenon. Victory or Nike is also one of the most commonly portrayed figures on Greek and Roman coins.
RS92475. Silver denarius, RIC IV 423 (S) var. (...CAE L SEV...); RSC III 696 var. (same), BMCRE V p. 98, W393 var. (same, VICT AVG); SRCV II -; Hunter III -, EF, toned, minor encrustations, die wear, some letters unstruck, edge cracks, weight 3.188 g, maximum diameter 17.5 mm, die axis 0o, Emesa (Homs, Syria) mint, 194 - 195 A.D.; obverse IMP CAE SEP SEV PERT AVG COS II, laureate head right; reverse VICTOR AVG, Victory advancing right holding trophy in both hands; extremely rare, this is the only example of this variety known to FORVM; from the Errett Bishop Collection; $300.00 (264.00)


Ptolemaic Kingdom of Egypt, Ptolemy III Euergetes, 246 - 222 B.C.

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Ptolemy III Euergetes was the third ruler of the Ptolemaic dynasty in Egypt. He promoted the translation of Jewish scriptures into Greek as the Septuagint. Due to a falling out at the Seleucid court, his eldest sister Berenice Phernophorus was murdered along with her infant son. In response, he invaded Syria, occupied Antioch, and even reached Babylon. This war, the Third Syrian War, is cryptically alluded to in Daniel XI 7-9. The Ptolemaic kingdom reached the height of its power during his reign.
GP93413. Bronze tetrobol, Lorber CPE B371, SNG Cop 229, Weiser 92, Noeske 161, Hosking 44, Svoronos 974, VF, dark patina, light corrosion, reverse slightly off center, flaw reverse left field, central depressions, beveled obverse edge, weight 45.354 g, maximum diameter 37.7 mm, die axis 0o, Alexandria mint, c. 246 - 230 B.C.; obverse head of Zeus Ammon right, wearing taenia; reverse ΠTOΛEMAIOY BAΣIΛEΩΣ (King Ptolemy), eagle standing half left on fulmen, wings closed, head right, filleted cornucopia ascending behind from shoulder, EP monogram between legs; from the Errett Bishop Collection, big 45 gram bronze; $220.00 (193.60)


Nero, 13 October 54 - 9 June 68 A.D.

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Quadrantes, like quinarii, were issued only occasionally, perhaps exclusively for imperial distributions. Suetonius reported that, from the roof of the Basilica Julia "Caligula threw coins among the people." Perhaps this small coin was thrown to the crowd by the Nero himself at a similar event.
RB89528. Orichalcum quadrans, BMCRE I p. 258, 300 (same legend breaks); Mac Dowall WCN 342a; RIC I 258, BnF I 353; Cohen I 110; Hunter I -; SRCV I -, aEF, nice red and green patina, porosity, obverse slightly off center, weight 1.910 g, maximum diameter 13.7 mm, die axis 180o, Rome mint, c. 64 - 66 A.D.; obverse NERO CLAV CAE AVG 16, owl, with wings spread, standing facing on garlanded altar, snake winding up the right side of the altar; reverse GER P M TR P IMP P P, upright olive-branch, three tiny dots (mark of value) below, S - C (senatus consulto) flanking at sides; from the Errett Bishop Collection; $200.00 (176.00)


Galba, 3 April 68 - 15 January 69 A.D.

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The pileus liberatis was a soft felt cap worn by liberated slaves of Troy and Asia Minor. In late Republican Rome, the pileus was symbolically given to slaves upon manumission, granting them not only their personal liberty, but also freedom as citizens with the right to vote (if male). Following the assassination of Julius Caesar in 44 B.C., Brutus and his co-conspirators used the pileus to signify the end of Caesar's dictatorship and a return to a Republican system of government. The pileus was adopted as a popular symbol of freedom during the French Revolution and was also depicted on some early U.S. coins.
RB89529. Bronze dupondius, RIC I 137 (R), BnF III 263 var. (rev. legend from lower left), SRCV I 136 var. (same), Cohen I 163 var. (same), BMCRE I -, aF, well centered, rough from corrosion, edge split, weight 11.454 g, maximum diameter 30.1 mm, die axis 180o, Lugdunum (Lyon, France) mint, c. Dec 68 - 15 Jan 69 A.D; obverse SER GALBA IMP CAESAR AVG P M TR P P P (or similar), laureate head right, globe at point of bust; reverse LIBERTAS PVBLICA (freedom of the people, clockwise, from upper right), Liberty standing half left, pileus in right hand, rod in left hand, S - C (senatus consulto) across fields; from the Errett Bishop Collection; very rare; $200.00 (176.00)




  



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A few quotes from Errett Albert Bishop...

"Mathematics is common sense."

"The real numbers, for certain purposes, are too thin. Many beautiful phenomena become fully visible only when the complex numbers are brought to the fore." (Bishop 1967, Ch. 5, Complex Analysis, p. 113)

"The primary concern of mathematics is number, and this means the positive integers...In the words of Kronecker, the positive integers were created by God. Kronecker would have expressed it even better if he had said that the positive integers were created by God for the benefit of man (and other finite beings). Mathematics belongs to man, not to God. We are not interested in properties of the positive integers that have no descriptive meaning for finite man. When a man proves a positive integer to exist, he should show how to find it. If God has mathematics of his own that needs to be done, let him do it himself." (Bishop 1967, Ch. 1, A Constructivist Manifesto, p. 2)


Errett Bishop, Jane Bishop and Rover are in the photograph right.

Catalog current as of Friday, December 6, 2019.
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Errett Bishop Collection