Used stamps exchanges.

Hello! Received a letter from Franco with a good selection of stamps. When registering using the IT-1866 code, it gives an error "This id is not correct!" Dear Franco, thank you very much for the stamps! Please check the code and tell me the correct one so that I can register it

Hello! This exchange was missing. Probably the sender has cancel it by mistake. I have recreated this exchange and it can now be registered.