Missing pins

[Maleficent n Diablo]

My youngest son really had fun at this weekends pin event, but unfortunately he left 2 of his pins on someone's (he thinks his name was Robbie, with whom he had traded for a Nightmare Auction pin) table, he was excited he left his pins behind. We left five minutes after that and did not find he did not have them until we got home. One was a DCL trapped tink and the other was the treasure chest from the Pirates event. I would really appreciate it if anyone who traded with a 9 year old boy in red shirt and happens to have these pins would contact me, so my son could get them back.

Thanks
Lisa