1. Philatelic 72/167/5/6 Reference (shelfmark): Philatelic 72/167/5/6 Title: Muscat Postage Stamp Issue: British Postal Agencies in Eastern Arabia, Seventy Fifth Anniversary of the Universal Postal Union (UPU) Scope & Content: Pre-existing stamps of the United Kingdom with overprints. Collection Area: Philatelic Collections Languages: English Date Range: 10 Oct 1949 Extent: 4 Items