1940s a group of 5 outgoing covers, mostly WWII censor airmail covers, f.w. different prints of SYS issues. Partly orignating from small
1940s a group of 5 outgoing covers, mostly WWII censor airmail covers, f.w. different prints of SYS issues. Partly orignating from small town such as Kwonghoi, Twanfan, Tohuk etc. Nice and scarce.1940年代一組五件寄國外封，大多為二戰檢查航空封，貼不同版別之孫像票。不少出自小地名，如廣海、端芬、都斛等。十分少見難得。
