To pay marks

a postal stationery display by Timo Bergholm

3k card posted when the postcard rate was 5k. So it was charged with additional 4k (double of 2k) on delivery 

7k letter card posted when the postcard rate was 10k. So it was charged with additional 6k (double of 3k) on delivery 

3k postcard posted to Austria. Charged extra (stated in blue in currency of the destination country) as postal rates to abroad were 4k. 

 
SPB 11th town post sub-office cncelation
Russian "T" for to pay
Instructional label stating:
"Collected from a letter box
- without a postage stamp
- with an used postage stamp" (the last is crossed out)

3k postcard posted to Switzerland. Charged extra (stated in blue in currency of the destination country) as postal rates to abroad were 4k.