The Collection of Roman Republican Coins of a Student and his Mentor Part III Anonymous, 60 Asses circa 211-207, AV 3.27 g. Bearded and draped head of Mars r., wearing Corinthian helmet; in l. field, mark of value, âX. Rev. Eagle standing r., with spread wings, on thunderbolt; below, ROMA. Bahrfeldt 4. Sydenham 226. Crawford 44/2. A portrait of superb style struck in high relief. Good extremely fine Ex Sotheby’s sale 1 July 1982, Brand part I, 1.