Roman provincial tetradrachm of billon (base silver), 26 mm diameter. Trajan Decius - AD 249-250. This coin has a smooth, attractive brown "find patina", making it resemble a bronze coin, and it has escaped the chemical cleaning which damages many billon coins of this type. Ex Coin Galleries Auction, 1 June 1979, 999. Sear, Greek Imperial Coins 4209 var.; BMCGalatia 581 var. About Extremely Fine. 11.1 g. Obv. Laureate, draped and cuirassed bust of Trajan Decius right, three dots below bust (third officina). Rev. Eagle standing right on palm branch, SC in exergue.