cover 1949 (12 Nov.) machine overprint 2½c. on $500 (both), 15c. on $10, Sun Yat-sen 2c. to 20c. set of four and Flying Geese $1 and $10, all affixed to cover registered from Swatow to Canton, cancelled by day of issue c.d.s. Stated to be a unique franking. Yang SC14-16, 21-26. Photo