Watch List notes:

Romania, Moldavia (Principality). Petru III Aron BI Half Groat. Type Ib. 1451 - 1452 / 1454 - 1457. Facing bull's head; star above, rosette to left, crescent to right / Shield with two swords in saltire; B above. MBR -, cf. 595-596. 0.70g, 14mm, 3h.

Near Very Fine. Seemingly an unpublished variant with this letter above the shield on the rev. for this denomination.