New Stamp Issue: China - "The 50th Anniversary of the Full Synthesis of Crystalline Bovine Insulin" 新郵: 中國 - 《人工全合成結晶牛胰島素五十周年》

(Source: China Post 來源: 中國郵政)

On Sep 10, 2015, China Post issued a set of one commemorative stamps "The 50th Anniversary of the Full Synthesis of Crystalline Bovine Insulin", you may come here to check the detail.

中國郵政在2015年9月10日發行了紀念郵票《人工全合成結晶牛胰島素五十周年》一枚一枚，可到這裡查看詳情。