Used stamps exchanges.

Hello! I have received a marvellous 25 stamps letter without ID...
It has been sent by Maksym, from Ukraina, and the envelope has been canceled on 2025 May the 29th.
Can you help me register it, please?

Thanks a lot.

Best regards from France.

Joël-Benoît (LeChivresien)

Hello, It was UA-447 that you already registered.