1. Philatelic 72/222/4/48 Reference (shelfmark): Philatelic 72/222/4/48 Title: Thailand Postage Stamp Issue: Twentieth Anniversary of the United Nations Educational, Scientific and Cultural Organization (UNESCO) Scope & Content: Stamp designed by Mrs P. Srivibhata. Manufactured by the Government Printing Works, Tokyo using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 4 Nov 1966 Extent: 1 Item