Numismatica Ars Classica, Auction 72, Lot 988 The JD collection of Roman Republican Coins part II – session II Semis circa 207, Æ 16.96 g. Laureate head of Saturn r.; behind, S. Rev. Prow r.; above, S and crescent. Below, ROMA. Sydenham 221a. Crawford 57/4. Rare. Bronw-green patina and good very fine Ex M&M Germany sale 19, 2006, 650. (misdescribed as Crawford 137/3)