Lot# 9002

bearing two 10 fen surcharged revenue stamps used as basic currency postage, paying a total of 20 fen, tied by Swatow cds “38.6.7”, the franking correctly pays the first international aerogramme rate of 20 fen in effect from 1949 April 29 to July 4. Illustrated in Patrick Choy, China Silver Yuan Stamps (3rd Edition), page 34, Figure 1-15, this is an early Silver Yuan period commercial usage of revenue stamps employed as basic currency postage. It demonstrates the provisional use of non-postal adhesives due to stamp shortages following the Directorate General of Posts (DGP) adoption of the Silver Yuan system, and reflects the continuation of international airmail service from South China during the transitional period, of significant postal history and exhibition importance.