Police are trying to locate the owners of a number of items which were found in the Garthorpe.
A member of public found a bag which appears to have been left on the side of the road on November 1.
It contained a number of items which included a coin dispenser, costume jewellery and some unique hand painted coins.
A spokesperson for Humberside Police said: “It is possible that some if not all of the items had been stolen so police are keen to speak to anyone who recognizes the items or can help to identify the owners.
“Anyone with information should contact Humberside Police on 101 quoting log number 320 of 01/11/12.”