1. Philatelic 72/23/1/115 Reference (shelfmark): Philatelic 72/23/1/115 Title: The People's Republic of China Postage Stamp Issue: Birth Centenary of Li Dazhao Scope & Content: Stamps designed by He Jiaying. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 29 Oct 1989 Extent: 2 Items