COSTA RICA. Banco Internacional de Costa Rica. 100 Colones, ND (1919-32). P-178s. Specimen. PMG Gem Uncirculated 66 EPQ.Printed by ABNC. Red specimen overprint, serial numbers and dual punch cancellations. Offered here in a lovely Gem Unc 66EPQ grade, with just one graded higher than this level by PMG at the time of cataloging.