1. Philatelic 72/167/7/17 Reference (shelfmark): Philatelic 72/167/7/17 Title: Oman Postage Stamp Issue: Arab Achievements Scope & Content: Stamps manufactured by Thomas De La Rue and Company Limited using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 22 Mar 1979 Extent: 2 Items