1. Philatelic 72/22/1/3 Reference (shelfmark): Philatelic 72/22/1/3 Title: The People's Republic of China Postage Stamp Issue: Chinese Merchant Shipping Scope & Content: Stamps designed by Wu Jiankun and Yang Baizi. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 10 Jul 1972 Extent: 4 Items