1. Philatelic 72/167/7/68 Reference (shelfmark): Philatelic 72/167/7/68 Title: Oman Postage Stamp Issue: National Police Day Scope & Content: Stamp manufactured by Joh. Enschede en Zonen, Netherlands using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 5 Jan 1987 Extent: 1 Item