KUSTANAI: 1920, 5k. imperforated, four singles and 20k. perforated block of four with overprint type IV, tied by cds. "KUSTANAI 26 6 20" to reverse of registered cover to Magdeburg, a interesting item providing both a scarce example of mail abroad in the first month of resumed mail services and undoubtedly rare example of use of these postmaster provisionals on foreign mail, vertical fold not affecting adhesives, fine (Image 1) (Image 2) (Image)

KUSTANAI: Interesting group of four pieces showing in total 20 stamps (one defect) with "large P" and "???" overprint, ex Trevor Pateman (Image 1) (Image 2) (Image)

MOLCHANOVO: 5r. on 5k., 10r. on 10k. and 15r. on 15k., used resp. tied by cds. to small piece, very useful group, ex Trevor Pateman (Image 1) (Image 2) (Image)

OLYOKMINSK: 14k. on fragment from which another stamp has been lifted, the fragment probably ex Lipschutz. Plus group of 8 stamps. Mint stamps are catalogued for this issue. The 5k. imperf is a fake, the others appear genuine, the 20k. signed Pohl, the 15k. Soviet Philatelic Association, the 4k. with Yakutsk cancel, ex Trevor Pateman (Image 1) (Image 2) (Image)

ROGACHEV: Complete group except for the 5 on 5k. imperf, group of used copies with appropriate part cancels, each described, two stamps signed Dr. Jem, ex Trevor Pateman (Image 1) (Image 2) (Image)