1. Philatelic 72/167/7/25 Reference (shelfmark): Philatelic 72/167/7/25 Title: Oman Postage Stamp Issue: Welfare of the Blind Scope & Content: Stamp manufactured by Imprimerie Courvoisier SA, Switzerland using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 14 Oct 1981 Extent: 1 Item