1. Philatelic 72/222/1/14 Reference (shelfmark): Philatelic 72/222/1/14 Title: Siam (Thailand) Postage Stamp Issue: Denomination Overprints Scope & Content: Pre-existing postage stamps with new denominations overprinted by K. Oyama and Company, Bangkok using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 1914-1915 Extent: 4 Items