1. Philatelic 72/23/1/19 Reference (shelfmark): Philatelic 72/23/1/19 Title: The People's Republic of China Postage Stamp Issue: Birth Bicentenary of Lin Zexu Scope & Content: Stamps designed by Ren Yu. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 30 Aug 1985 Extent: 2 Items