Guyana 1966 GPO Georgetown 1c with Independence opt (Local opt on Script CA wmk) unmounted mint, SG 420
Guyana 1966 GPO Georgetown 1c with Independence opt (Local opt on Script CA wmk) unmounted mint, SG 420
Guyana 1966 GPO Georgetown 1c with Independence opt (Local opt on Script CA wmk) unmounted mint, SG 420