WR55986. Billon mezzo denaro, MEC Italy III 536, Spahr 107, Biaggi 1254, aVF, chipped, Messina mint, weight 0.607g, maximum diameter 18.7mm, 1221 A.D.; obverse •F•IPERATOR +, cross pattée; reverse •R•EX SICIL•, crowned imperial eagle facing, head left;
rare;
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