Harbin issue. COLLECTION: 1920, 188 mint and used (24) surcharged stamps, arranged on original pages, representing complete set of nine, 2k and 3k altogether in five panes of 25, representing all existing varieties of surcharges, four stamps with inverted and one with double surcharges, several rare cancellations, such as Manchuria and station Ekho, nice quality unit in every respect, full OG or used, mainly VF, C.v. $4,850++ (Image)

Harbin issue. 1920, blue surcharge 2c on 2k green, nice and fresh, full OG, LH, VF and rare, according to Ustinovsky's notes this stamp considered him as a proof, however we had this stamp several times with proper postal cancellations (Image)

Harbin issue. 1920, trial surcharge 2c on 2k green, horizontal gutter block of six (2x3), two top stamps have surcharge in black, while block of four at the bottom bearing surcharges in red, positions 46-47/56-57/66-67, perfect quality, full OG, hinged on gutter and LH on two bottom stamps, VF and definitely unique multiple (Image)

Harbin issue. 1920, double inverted trial surcharge 2c in blue and black on 4k red, removed from a presentation sheet, VF and extremely rare, ex-V. Kauffman, only red or blue surcharges of 2c had been supposed for 2k stamp (Image)

Harbin issue. 1920, error surcharge ''01'' with Italic ''Cent'' instead of 10c over black surcharge 10k on 7k light blue, position 29, Qiqihar postal cancellation, fresh, VF and very rare (Image)