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  1. Octavian as Augustus, 27 BC (1)
  2. Tiberius augustus, 14 (1)
  3. In the name of Nero Claudius Drusus, brother of Tiberius and father of Claudius (1)
  4. Nero augustus, 54 (1)
  5. Vespasian, 69 (2)
  6. Titus caesar, 69 (1)
  7. Domitian augustus, 81 (1)
  8. Domitia, wife of Domitian (1)
  9. Nerva, 96 (1)
  10. Trajan, 98 (2)
  11. Matidia, daughter of Trajan (1)
  12. Hadrian, 117 (3)
  13. Antoninus Pius, 138-161 (4)
  14. Faustina I, wife of Antoninus Pius (3)
  15. Marcus Aurelius caesar, 139 (1)
  16. Faustina II, wife of Marcus Aurelius and daughter of Antoninus Pius (1)
  17. Commodus, 177 (1)
  18. Crispina, wife of Commodus (1)
  19. Pertinax, January 1st (1)
  20. Septimius Severus, 193 (4)
  21. Julia Domna, wife of Septimius Severus (1)
  22. Caracalla, 198 (5)
  23. Plautilla, wife of Caracalla (1)
  24. Geta caesar, 198 (2)
  25. Elagabalus 218 (2)
  26. Severus Alexander, 222 (1)
  27. Gordian III, 238 (1)
  28. Philip II caesar, 244 (1)
  29. Trajan Decius, 249 (1)
  30. Herennia Etruscilla, wife of Trajan Decius. (1)
  31. Trebonianus Gallus, 251 (2)
  32. Volusian, 251 (1)
  33. Gallienus, 253 (3)
  34. Postumus, 260 (1)
  35. Aurelian, 270 (1)
  36. Tacitus, 275 (1)
  37. Probus, 276 (3)
  38. Carus, 282 (1)
  39. Numerian augustus, 283 (1)
  40. Carinus, 283 (1)
  41. Julian I of Pannonia, October (1)
  42. Diocletian, 284-305 (3)
  43. Maximianus augustus, first reign 286 (3)
  44. Constantius I Chlorus caesar, 293 (1)
  45. Constantius I Chlorus augustus, 305 (1)
  46. Galerius Maximianus caesar, 293 (1)
  47. Severus II caesar, 305 (1)
  48. Maximinus II Daia caesar, 305 (1)
  49. Maxentius, 307 (1)
  50. Licinius I, 308 (1)
  51. Licinius II caesar, 317 (1)
  52. Constantine I, 307 (7)
  53. Crispus caesar, 316 (1)
  54. Constantine II caesar, 316 (2)
  55. Constantius III, 8th February (1)
  56. Justa Gratia Honoria, sister of Valentinian III (1)



Numismatica Ars Classica, Zurich   |   Auction 102   |   24 October 2017 Sort by Lot-NumberSort by Estimate
Online bidding ends:  24 October 2017 10:00 CEST

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Lot 548





Estimate: 25'000 CHF   |   Starting price: 20'000 CHF
CHF  
Binio June-November 251, AV 5.66 g. IMP CAE C VIB TREB GALLVS AVG Radiate, draped and cuirassed bust r. Rev. SALVS AVGG Salus standing r., feeding snake held in her arms. C 113. RIC 13. Calicó 3346 (these dies).
Very rare and in superb condition for this difficult issue. Unusually well
struck on both obverse and reverse. Good extremely fine
Ex NAC sale 52, 2009, 552.
ðFor most of the first 250 years of the Roman Empire, its gold aureus was relatively consistent in weight and purity. It was affected only by adjustments in weight – usually downward, but occasionally upward. The first major decline in later history occurred under Caracalla, and subsequently under Severus Alexander. Beginning with the reign of Trebonianus Gallus, however, gold coinage became increasingly variable in weight and denomination, and medallions intended as bonuses or bribes also came to be struck with regularity. Something that certainly can be attributed to Gallus is the mainstream introduction of the ‘binio’, a gold homologue to the silver double-denarius. In some, if not all cases, the binio was struck with double-denarius dies, at a heavier weight than the aureus. With the typical aureus of Gallus weighing about 3.60 grams, his average ‘binio’ weighed about 5.75 grams. The binio weighed roughly 50% more than the aureus, and if we examine the weight relationship between Caracalla’s silver double-denarius and denarius, we find an identical weight ratio. Furthermore, they are identical in terms of iconography, thus giving us a perfect parallel. Indeed, had the denarius not been scrapped as a mainstream issue under Gordian III, the same comparison would probably be possible with Gallus’ denarii and double-denarii. Predecessors to the binios of this era were struck by Caracalla. However, only a handful of these have survived, and Caracalla’s truly are double-aurei medallions because their weight is double that of his contemporary aurei.

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