He used his online banking account to make four 1p transactions to Cameron's account, using the space reserved for the reference number to write him messages.
"Hi, I found your wallet in the road. Text or call!" the messages read, with Simon's phone number included.
I just lost my wallet on the way home from work. I didn't have much identifying info in there so a good Samaritan got in touch with my via my... bank account 🤯