Guyana 1987 Railways $3.20 dull blue se-tenant block of 5 unmounted mint, SG 2202a
Guyana 1987 Railways $3.20 dull blue se-tenant block of 5 unmounted mint, SG 2202a
Guyana 1987 Railways $3.20 dull blue se-tenant block of 5 unmounted mint, SG 2202a