1. Philatelic 72/217/6/86 Reference (shelfmark): Philatelic 72/217/6/86 Title: Republic of the Philippines Postage Stamp Issue: Official Scope & Content: Pre-existing stamp with 'O.B.' overprinted by the Philippine Bureau of Printing. Collection Area: Philatelic Collections Languages: English Date Range: 11 Jan 1959 Extent: 1 Item