Watch List notes:

Banco Central Del Costa Rica Progress Proof & Specimen Study. Costa Rica. ND (ca,1987). No Series (Ser.F). P-254. 100 Colones unfinished face proof or specimen of P-254 with large margins on white paper dated 9-17-87. Also included are 3 undertint face progressive proofs. Choice uncirculated condition. Rare. ABNC.

Estimate: 350 - 700