446f variety, CSS 569a, 1940 3c surcharge on SYS Dah Tung 5c green in block of 9, East Szechwan 2nd setting surcharge with center stamp having lower right character 'Fun' instead of 'Tso'

446f variety, CSS 569a, 1940 3c surcharge on SYS Dah Tung 5c green in block of 9, East Szechwan 2nd setting surcharge with center stamp having lower right character 'Fun' instead of 'Tso'