441 CSS 563 September 20, 1940 Shanghai 3c on 5c Surcharge on Chung Hwa Dr. SYS, comb perf. in block of 10 x 5, Lower left corner selvage with printer imprint, plate number AH-L, and accounting control number 0231

441 CSS 563 September 20, 1940 Shanghai 3c on 5c Surcharge on Chung Hwa Dr. SYS, comb perf. in block of 10 x 5, Lower left corner selvage with printer imprint, plate number AH-L, and accounting control number 0231