04:45AM, Friday 07 February 2014
The call was received at 9pm on Friday, January 31.
The man said he had found the wallet and a driving licence on the bridge.
Police said he then admitted using the cards twice to the amount of £18, but was feeling guilty and wanted to return the wallet.
The caller then hung up without giving his name.
Contact police on 101 with information.
Top Ten Articles