Russian Imperial International philatelic exchange.ERAR .
- Pickup - free of charge.
- Express delivery
1925 issue of the Organisation of the Commissioner for Philately and Scripophily.
EXTRA RARE Overprinted STAMP ( wth error !)
International trading tax stamp of the USSR
Overprinted SURCHARGE in 1925 to convert them into "philatelic exchange" stamps.
Extra Rare Error !