The find, thought to be up to 600 years old, has been officially classed as treasure.
Staff agree to hold no more strikes this year ahead of more talks over a pay and pensions dispute.
Money in accounts left untouched for 15 years could ultimately be given to Manx charities, it is proposed.
Mark Cavendish hopes his "mismanaged" illness troubles are over following a three-month break from cycling.
Isle of Man Newspapers
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