The 2024 Winter Auction - Sale 344 - Day 2

1967 (May 1 and Sep 23) W2 stamps set of 2 China Philatelic Company covers,first series set of 5 sent on first day of issue (May 1), from Beijing to Agentina, a rare destination, with uprated stamp on reverse; while 2nd series set of 3 sent on Sep 23, 1967 (3 days after official day of issue), from Beijing to England. Extremely rare.

1967年5月1日及9月23日中國集郵公司貼文2全套票實寄封2枚，貼第一組5枚票者為首日實寄封，自北京航空印刷品寄阿根廷，罕見的收件國，背面加貼8分郵資；貼第二組3枚票者自北京航空印刷品寄英國，寄於郵票官方記錄發行日期後3天，可以視之為官方首日封。是文革首日封其中一套最罕見品種。可遇不可求。