Stamps Year 1926

National Observatory.
Mario Argenta
The national mail.
Mario Argenta
Weapons, UPU 1926.
Mario Argenta
Weapons, UPU 1926.
Mario Argenta
Weapons, UPU 1926.
Mario Argenta
Weapons, UPU 1926.
Mario Argenta
Weapons, UPU 1926.
Mario Argenta
Boris III.
Mario Argenta
Boris III.
Mario Argenta
75th anniversary of the postage stamp.
Mario Argenta