1. Philatelic 72/140/1/135 Reference (shelfmark): Philatelic 72/140/1/135 Title: Republic of (South) Vietnam Postage Stamp Issue: Twenty Fifth Anniversary of the World Health Organization (WHO) Scope & Content: Stamps designed by Nguyen Van Ri and Nguyen Van Hiep. Lithography printed by Thomas De La Rue and Company, Limited. Collection Area: Philatelic Collections Languages: English Date Range: 31 Dec 1973 Extent: 2 Items