1. Philatelic 72/141/1/14 Reference (shelfmark): Philatelic 72/141/1/14 Title: Socialist Republic of Vietnam Postage Stamp Issue: Centenary of May Day Scope & Content: Stamps designed by Tran Luong. Manufactured by the State Printing Works, Hanoi using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 1 May 1986 Extent: 2 Items