1. Philatelic 72/167/7/5 Reference (shelfmark): Philatelic 72/167/7/5 Title: Oman Postage Stamp Issue: National Day Scope & Content: Stamps designed by PAD Studio. Manufactured by Thomas De La Rue and Company Limited using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 18 Nov 1973 Extent: 4 Items