1. Philatelic 72/200/1/39 Reference (shelfmark): Philatelic 72/200/1/39 Title: Kingdom of Laos Mini-Sheet Issue: 20th Anniversary of the United Nations Scientific, Educational, Scientific and Cultural Organization (UNESCO) Scope & Content: Stamps designed by Sanguan Rodboon. Collection Area: Philatelic Collections Languages: English Date Range: 7 Jul 1966 Extent: 4 Items