1920, "K. 20K." on 14 k., variety "second K shifted down", vertical strip of four, tied by cds. "TOMSK 17 9 20" to money transfer card to Omsk, reverse arrival cds. "OMSK 21 9 20", correctly franked at 80 roubles for a money transfer of 4000 roubles (2%). Usual archival pinholes and a few squeezed perfs, of no importance, very fine. Those provisionals were possibly postal forgeries seized by the authorities and later put into use, rare usage, certificate Ceresa (2013) (Geyfman 1a)