1. Philatelic 72/217/6/136 Reference (shelfmark): Philatelic 72/217/6/136 Title: Republic of the Philippines Postage Stamp Issue: Diego Silang Bicentenary Art and Philatelic Exhibition, Manila Scope & Content: Pre-existing stamps overprinted by the Philippine Bureau of Printing. Collection Area: Philatelic Collections Languages: English Date Range: 12 Jun 1963 Extent: 3 Items