Justinian I (527-565). AR 250 Nummi (heavy series), Ravenna mint, 540-542. Obv. Diademed bust right, wearing imperial mantle. Rev. CN (mark of value) within wreath. MIB 55 (Rome); D.O. 334; Sear 313. 1.4 g. 14.5 mm. R. Rare. Uneven toning and spots of crystallized metal. Good VF.
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