1. Philatelic 72/140/3/4 Reference (shelfmark): Philatelic 72/140/3/4 Title: Socialist Republic of Vietnam Postage Stamp Issue: Fourth Congress of the Vietnam Workers' Party (1st Series) Scope & Content: Lithography printed stamps manufactured by the State Printing Works, Hanoi. Collection Area: Philatelic Collections Languages: English Date Range: 12 Nov 1976 Extent: 6 Items