Japanese stamps Postal service Mint 4v 1974 - 77, postbox UPU pigeon saving mail

UPU centenary issued on 9 October 1974. Centenary of Admission to UPU issued on 20 June 1977.

Calaméo - V01 0000 0000 20230311 V4 02

United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers

JAPANESE STAMPS 1975 - 使用済切手/官製はがき

The Collector's Series by Spink and Son - Issuu

Indian Postage Stamp Catalogue 1947-2011 - India Post

Main Title SubTitle Author(s) Subject(s) - Western Philatelic Library

Japanese stamps Postal service Mint 4v 1974 - 77, postbox UPU pigeon saving mail

United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers; United States and Worldwide Stamps and Covers

JAPANESE STAMPS 1975 - 使用済切手/官製はがき

Las mejores ofertas en En excelente estado nunca abisagrado/estampillada sin montar o nunca montada 1971-1980 año de emisión sellos japoneses

Auction 142 by David Wood - Issuu

Calaméo - V01 0000 0000 20220101 V3 01

Premier Postal Auctions #137 by David Wood - Issuu

JAPANESE STAMPS 1975 - 使用済切手/官製はがき

JAPANESE STAMPS 1975 - 使用済切手/官製はがき