CUBA: Specimen of 1 Peso (1966) in olive-green on ochre unpt with portrait J Marti at center. Red diagonal ovpt "SPECIMEN" at center. S/N: "R70 662672". Printed by STC-P (without imprint). Inside holder by PMG "Gem Uncirculated 66 - EPQ". Top grade in PMG. (Pick 100s) & (Spink BNC B17ds).