unused A middle period accumulation of sheets and large multiples including 1931-37 second issue 5c. in a sheet of two hundred, 1938-41 Chung Hwa imperf. $5 sheets of fifty (2), Dah Tung 5c. sheets of two hundred (4), 8c. plain button sheets of two hundred (2), 10c. watermarked and without watermark sheets of two hundred, 30c. watermarked (100) and without watermark (50), later Sun Yat Sen types to 1949