1. Philatelic 72/23/1/40 Reference (shelfmark): Philatelic 72/23/1/40 Title: The People's Republic of China Postage Stamp Issue: Teacher's Day Scope & Content: Stamp designed by Zhang Lei. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 10 Sep 1986 Extent: 1 Item