1. Philatelic 72/167/7/9 Reference (shelfmark): Philatelic 72/167/7/9 Title: Oman Postage Stamp Issue: National Day Scope & Content: Stamps designed by PAD Studio. Manufactured by Questa Colour Security Printers Limited, Leeds using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 18 Nov 1974 Extent: 6 Items