Black surcharge on 1925 Postage due 1K stamp

8 k 1927

СССР

Surcharge on Sg:SU D451 - overprinted in black - (ПОЧТОВАЯ МАРКА КОП. 8 КОП.)

Доплата 8 копеек

Red 8K surcharge on 1925 7K "Popov" Stamp	Black 8K surcharge on 1925 7K "1905" Stamp	Черная надпечатка 8K на почтовой марке «Декабрист» 1925 года номиналом 7K	Black 8K surcharge on 1926 7K "Esperanto" Stamp
Black surcharge on 1925 Postage due 1K stamp	Black surcharge on 1925 Postage due 2K stamp	Black surcharge on 1925 Postage due 3K stamp	Black surcharge on 1925 Postage due 7K stamp
Black surcharge on 1925 Postage due 8K stamp	Black surcharge on 1925 Postage due 10K stamp	Black surcharge on 1925 Postage due 14K stamp