1. Philatelic 72/167/7/38 Reference (shelfmark): Philatelic 72/167/7/38 Title: Oman Postage Stamp Issue: National Police Day Scope & Content: Stamp designed by M. N. el Hindawi. Manufactured by Harrison and Sons Limited using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 5 Jan 1982 Extent: 1 Item