1. Philatelic 72/217/6/36 Reference (shelfmark): Philatelic 72/217/6/36 Title: Republic of the Philippines Postage Stamp Issue: Official Scope & Content: Pre-existing stamp overprinted with the new denomination 'O.B.' by the Philippine Bureau of Printing. Collection Area: Philatelic Collections Languages: English Date Range: 20 Sep 1950 Extent: 1 Item