《上海集邮》2015年第12期欧博介绍了一枚普18的10分窄距信销票,其销戳日期为1981年11月23日19时,比王晋枫所言首印日期1982年3月15日早了4个多月。但我们仍未能确定其最早使用日期。见文后查本人收藏,有一件贴此票及T44《齐白石作品选》55分票的国际航空邮简,由厂州寄纽约,销二戳,日期为1981年7月18日12时,比欧文介绍的更 “Shanghai Philatelic” 2015 the twelfth period Oberbo introduced a 18 18 narrow-pitch letter of the vote, the date of stamping at 19:00 on November 23, 1981, than Wang Jinfeng said the first print date 1982 3 On the 15th early 4 months. However, we have not been able to determine its earliest date of use. After reading the text I checked my collection, there is a paste this ticket and T44 “Qi Baishi works selected” 55-vote international airmail, sent by the state to New York, pin 2, date of July 18, 1981 at 12 o’clock, Owen introduced more