1927 Sc 180I Black surcharge on 1925 Postage due 14K stamp Scott 372

1927. Black surcharge on 1925 Postage due 14K stamp. Type I.
Catalog numbers: Scott 372, Standard Collection 180 I, Michel 323IIY.
Issued on: June 11, 1927.
Perforation: frame 12.
Printing: Typography.
Watermark: Yes.
Face value: 8 Russian kopek.

Surcharge types