1925 Sc 109BI Strike of Post and Telegraph Workers Scott 339

1925. Strike of Post and Telegraph Workers.
Catalog numbers: Scott 339, Standard Collection 109BI, Michel 314Y.
Issued on: 1925.
Frame: 18.8 x 34.3 mm.
Perforation: comb 12 x 12½.
Printing: Recess.
Colors: Multicolor.
Face value: 3 Russian kopek.