Nikaraagua
Praegu kuvatakse: Nikaraagua - postmargid (1862 - 2021) - 1 margid.
1975
Airmail - The 200th Anniversary of the Independence of the United States of America
16. aprill WM: mitte ükski Gravüür: Printed by Format International Security Printers Ltd., London. perforatsioon: 13¾