An outstanding collection and stock from 1919 first issue, some with anti-bandit overprints, a small selection of the 1933 issue, some with provincial overprints, extensive ranges of 1943 issue with sheets, blocks and varieties including Fukien 30c. overprint inverted, Kansu $1 overprint inverted and double (one inverted), Kiangsi $1 overprint inverted and $2 overprint inverted (small quantity), Singkiang $10 overprint missing on two stamps in block of eight (scarce), 1943 general definitive issue with sheets and blocks, 1944 Old Coin issue including $10 and $20 imperf., many multiples including part sheets and some others. A valuable and desirable lot