Keystone Auction 18 – The Gasvoda Collection
Lot: 301. Herennia Etruscilla. Augusta, AD 249-251. AR Antoninianus (22mm, 4.44 g, 12h). Rome mint, 6th officina. 3rd emission of Trajan Decius, early-mid AD 250. NGC MS, 5/5, 4/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 302. Valerian I. AD 253-260. Antoninianus (22mm, 3.14 g, 12h). Antioch mint. NGC Ch VF, 2/5, 2/5, flip-over double strike, flan flaws.

Keystone Auction 18 – The Gasvoda Collection
Lot: 303. Gallienus. AD 253-268. AR Antoninianus (21mm, 4.43 g, 12h). Colonia Agrippinensis (Cologne) mint. 1st emission, AD 257-258. NGC Ch XF, 4/5, 4/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 304. Gallienus. AD 253-268. Antoninianus (23mm, 4.44 g, 12h). Rome mint, 2nd officina. 9th emission, AD 265-267. NGC XF, 2/5, 3/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 305. Gallienus. AD 253-268. Antoninianus (22mm, 3.52 g, 6h). Antioch mint. 9th emission, 1st phase, circa AD 262-264. NGC AU, 5/5, 2/5, brushed.

Keystone Auction 18 – The Gasvoda Collection
Lot: 306. Gallienus. AD 253-268. Antoninianus (23mm, , 12h). Uncertain (Antioch) mint. 9th emission, 1st phase, circa AD 262-264. NGC VF, 2/5, 3/5, double-struck.

Keystone Auction 18 – The Gasvoda Collection
Lot: 307. Tetricus I. Romano-Gallic Emperor, AD 271-274. Antoninianus (22.5mm, 2.20 g, 6h). Treveri (Trier) mint. 4th emission, circa mid AD 272-circa mid 273. NGC Ch XF, 2/5, 3/5, double-struck.

Keystone Auction 18 – The Gasvoda Collection
Lot: 308. Tetricus I. Romano-Gallic Emperor, AD 271-274. Antoninianus (17.5mm, 2.82 g, 12h). Obverse brockage. Contemporary imitation of the Treveri (Trier) mint. NGC AU, 3/5, 5/5, brockage.

Keystone Auction 18 – The Gasvoda Collection
Lot: 309. Tacitus. AD 275-276. Antoninianus (22.5mm, 4.19 g, 5h). Rome mint, 6th officina. 2nd emission, November-December AD 275. NGC Ch AU, 5/5, 4/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 310. Carinus. AD 283-285. Antoninianus (21.5mm, 4.05 g, 6h). Lugdunum (Lyon) mint, 1st officina. 9th emission, summer AD 284. NGC MS, 5/5, 3/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 311. Diocletian. AD 284-305. Æ Follis (27.5mm, 11.04 g, 11h). Ticinum mint, 2nd officina. Struck circa AD 300-303. NGC AU, 5/5, 4/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 312. Diocletian. AD 284-305. Æ Follis (27mm, 10.28 g, 12h). Aquileia mint, 2nd officina. Struck circa AD 300. NGC Ch AU, 5/5, 5/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 313. Diocletian. AD 284-305. Æ Follis (27.5mm, 10.26 g, 12h). Heraclea mint, 4th officina. Struck circa AD 296-297. NGC MS, 5/5, 3/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 314. Diocletian. AD 284-305. AR Argenteus (18.5mm, 3.33 g, 12h). Cyzicus mint. Struck circa AD 294-295. NGC Ch AU, 5/5, 4/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 315. Diocletian. As Senior Augustus, AD 305-311/2. Æ Follis (26mm, 9.51 g, 12h). Abdication issue. Serdica mint, 4th officina. Struck AD 305-306. NGC Ch XF, 4/5, 5/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 316. Maximianus. First reign, AD 286-305. Æ Follis (29mm, 10.92 g, 6h). Treveri (Trier) mint, 1st officina. Struck circa AD 302-303. NGC AU, 5/5, 4/5.

Keystone Auction 18 – The Gasvoda Collection
Lot: 317. Maximianus. First reign, AD 286-305. Æ Follis (28mm, 9.25 g, 6h). Ticinum mint, 2nd officina. Struck circa AD 298-299. NGC Ch AU, 5/5, 4/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 318. Maximianus. First reign, AD 286-305. Antoninianus (21.5mm, 3.88 g, 6h). Heraclea mint, 1st officina. Struck circa AD 292-295. NGC AU, 4/5, 5/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 319. Maximianus. First reign, AD 286-305. Æ Follis (26mm, 9.92 g, 6h). Heraclea mint, 3rd officina. Struck circa AD 297-298. NGC MS, 5/5, 3/5, silvering.

Keystone Auction 18 – The Gasvoda Collection
Lot: 320. Maximianus. First reign, AD 286-305. Æ Follis (27mm, 9.61 g, 12h). Cyzicus mint, 6th officina. Struck circa AD 297-299. NGC Ch XF, 4/5, 4/5, silvering.