Watch List notes:

Buenos Aires, Argentina, Republica Argentina, 50 centavos proof, ND (1-1-1891). SCWPM-212A (for type). Proof 1891 50 centavos with a complete reverse design and the obverse underprint including "CINCUENTA" (not found this way on issued examples) and ink stamp. AU with fold to right, some handling. (Estimate: $150 - 225)