1897-1936, the mint and used collection including a few covers, with 1897 Coiling Dragon lithograph mint values to $5 including $1 interpanneau pair, 1912 Revolution Commemoration 1c. to $5 mint, 1913 Junk London print mint values to $2, 1923-33 series to $20 mint, and later including special commemorative cancellations. Majority good. (several hundred)