1. Philatelic 72/81/70 Reference (shelfmark): Philatelic 72/81/70 Title: Japan Postage Stamp Issue: Centenary of Standard Datum of Levelling Scope & Content: Photogravure printed stamp designed by S. Watanabe. Collection Area: Philatelic Collections Languages: English Date Range: 30 May 1991 Extent: 1 Item