C. Antestius, 146 BC. Denarius (Silver, 17 mm, 4.33 g, 10 h), Rome. [C•AN]TESTI Head of Roma to right, wearing crested and winged helmet; to right, X (mark of value). Rev. [RO]MA The Dioscuri, each holding spear, on horseback galloping right; above their heads, two stars; below, dog running right. Babelon (Antestia) 1. Crawford 219/1e. RBW 939. Sydenham 411. Struck on a slightly short flan, otherwise, good very fine.
From an American collection of Roman Republican and Imperatorial coins, ex VAuctions E-Auction 261, 24 March 2011, 16 (with original ticket).