He asks for old stamps (with round cancellations only) and then rates low when you send what he asks for.
Most swappers who have received from me know that I include a note on the back of the tag asking to contact me if I miss damaged stamps and the extra I always send doesn't cover what I missed. He didn't, just stuck me with a '2'
If you look at my ratings and the included comments, you can see that I try hard to meet the requests of the receiver.
