1. Philatelic 72/140/3/67 Reference (shelfmark): Philatelic 72/140/3/67 Title: Socialist Republic of Vietnam Postage Stamp Issue: Tenth World Trade Unions Congress, Havana, Cuba Scope & Content: Stamps designed by Trinh Quoc Thu. Manufactured by the State Printing Works, Hanoi using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 10 Feb 1982 Extent: 2 Items