1. Philatelic 72/200/1/139 Reference (shelfmark): Philatelic 72/200/1/139 Title: Kingdom of Laos Airmail Stamp Issue: Centenary of the Universal Postal Union (UPU) Scope & Content: Stamps issued in excess of postal needs. Collection Area: Philatelic Collections Languages: English Date Range: 1975 Extent: 2 Items