Wall Street Auction #XXI, Sessions 2 and 3

Banco Central De Costa Rica Proof Production Material Costa Rica. 1986-1988 Issue. 100 Colones, P-254. Lot of 3 items. Includes proof or specimen with large margins of completed note without serial numbers, dates or signatures, with complete face and back with undertints. Color bars are on bottom. The note has a security thread running through it. 1987 and 1988 dates are readable on the face and back. Also included is an undertint proof of the face that evidently was used to evaluate color. A blank sheet of banknote paper with security thread is also included. Choice Uncirculated condition. Rare Costa Rica Production material. ABNC.