1. Philatelic 72/140/3/144 Reference (shelfmark): Philatelic 72/140/3/144 Title: Socialist Republic of Vietnam Postage Stamp Issue: Thirtieth Anniversary of the Geological Service Scope & Content: Lithography printed stamps manufactured by the State Printing Works, Hanoi. Collection Area: Philatelic Collections Languages: English Date Range: 5 Oct 1985 Extent: 2 Items