CUBA: Specimen of 1 Peso (1961) in olive-green on orche unpt with portrait of J Marti at center and denomination at left and right. S/N: "G51 235358". Diagonal red ovpt "SPECIMEN" at center. Printed by STC-P (without imprint). Inside plastic holder by PMG "Gem Uncirculated 65 - EPQ". (Pick 94as) & (Spink BNC B17as1).