Post stamp.RI, St. Petersburg province., Gdovsky district.1875 (?).Gdovsky district - Zemsky post office.2 kopecks.Schmidt No. 3...

Post stamp.RI, St. Petersburg province., Gdovsky district.1875 (?).Gdovsky district - Zemsky post office.2 kopecks.Schmidt No. 3 (dividing lines, on the fields, features of the drawing-defect of the lower end of the letter "U" in the "County", Abklyach, the removal of the red "Museum of communication" on the turnover).The paper is thin (white), glue (white), lithographic printing (light blue).20.5x29;17x24.5.- -.-GKP-56142 trays..Electronic copy source: PB