In a recent swap with an overseas member, whose messages I had to run through a translator as neither of us spoke the other's language, I agreed to swap my last (at that time) spare silver shilling even though the swap partner had nothing of equivalent for me to swap for it. I chose a 1990 (large size) Proof 5p coin that he had listed in his swaps list as what I saw as a fair balance for the shilling, and other coins (one for one) that I needed and which were of equivalent value etc. to the others that he had requested, all was agreed to by the swap partner. After a rather long time waiting for the coins (which was a problem with the post, not the swapper) they arrived; in general most of the coins were in an acceptable condition, but instead of the Proof (large) 5p I received a bog standard (small) 5p of the same year, which to me is worth, well, 5p!
I'll not name the swapper here as I live in hope that he will still rectify the problem, (although I won't hold my breath). I do feel though that I have learnt lessons from this. Firstly that I will try and limit swaps to ones with other UK members, or, failing that, that I will definitely only swap with members that can message me in English, so that there is less chance of misunderstandings occurring.
Well that's my rant over, back to checking the mail to see if my desired coin turns up......