Zhongguo Youpiao Mulu (Postage Stamp Catalogue of China), by the Directorate General of Posts, (1966), hardbound, in Chinese, in very good condition. (1 lb 8 oz)

Zhongguo Youpiao Mulu (Postage Stamp Catalogue of China), by the Directorate General of Posts, (1966), hardbound, in Chinese, in very good condition. (1 lb 8 oz)