1. Philatelic 72/222/1/21 Reference (shelfmark): Philatelic 72/222/1/21 Title: Siam (Thailand) Airmail Stamp Issue Scope & Content: Stamps engraved and recess printed by Waterlow and Sons Limited, London. Collection Area: Philatelic Collections Languages: English Date Range: 17 Dec 1921 Extent: 8 Items