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MANTOVA CARLO I GONZAGA-NEVERS (1627-1637) 1/2 Ducatone 1631 D/ Busto corazzato R/ Sole in zodiaco fra stelle; sotto, la terra fra le nubi MIR 646/2 CNI 12/14 Ravegnani 9 Ag 13,30 g 33,5 mm RRRR • Acquistata da Franceschi il 17/2/1951; tosata B/MB