CUBA: Specimen of 20 Pesos (1960) in black on olive unpt with portrait of A Maceo at center. Black S/N: "M 000000 A". Two diagonal red ovpts "MUESTRA" both on face and back, two cancellation holes on signatures. Printed by ABNC. Inside holder by PMG "Gem Uncirculated 66 - EPQ". (Pick 80s3) & (Spink BNC B4cs).