1. Philatelic 72/167/7/58 Reference (shelfmark): Philatelic 72/167/7/58 Title: Oman Postage Stamp Issue: National Day Scope & Content: Stamps designed by M. N. el Hindawi. Manufactured by Imprimerie Courvoisier SA, Switzerland using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 18 Nov 1985 Extent: 5 Items