Cuba, Banco Nacioñal de Cuba, One Peso (9), 1967-8-9-70-2-8-9-80-1, Ten Pesos (5), 1968-9-71-86-8, Twenty Pesos (4), 1971-8-83-8, all 000000, stamped SPECIMEN or MUESTRA (Pick 101, 102a, 102b, 104a, 104c, 104d, 105a, 105b, 105c, 105d) [18]. Uncirculated £60-80