1909, black diagonal overprint "Kitai" on 10k light blue, basic stamp is top right corner margin single from the 1909-10 issue, full OG, NH, VF

150.00

1917, inverted black surcharge $7 on 7r black and yellow, printed on vertically laid paper, fresh and flawless single, full OG, NH, VF and rare, the only sheet of 25 stamps has been produced with this error

1920, Harbin issue, red surcharge 10c on 10k dark blue, full OG, NH, VF, C.v. $150 as hinged

100.00