1. Philatelic 72/217/3/11 Reference (shelfmark): Philatelic 72/217/3/11 Title: Commonwealth of the Philippines Airmail Stamp Issue: First Manila Airmail Exhibition Scope & Content: Pre-existing stamps overprinted by the Philippine Bureau of Printing. Collection Area: Philatelic Collections Languages: English Date Range: 17 Feb 1939 Extent: 2 Items