1946 Yungchun (3 May) to Singapore, f.w. SYS x6 on reverse, in total of $110 (probably double international printed matter rate + airmail
1946 Yungchun (3 May) to Singapore, f.w. SYS x6 on reverse, in total of $110 (probably double international printed matter rate + airmail rate) tied by Yungchun bilingual cds. Transit Canton (17 May), Hong Kong (20 May). First day cover of new airmail rate $30.1946.5.3 永春寄新加坡，背貼孫像6枚，合110元（應為雙倍國際印刷品 + 航空郵資）銷永春三格點線日戳。5.17經廣州，5.20經香港。為航空郵資之調資首日封。封剖開以作展示。
