Jack Nicklaus

Can anyone help me?

Twenty years ago I made a life-sized bronze sculpture of Jack Nicklaus, together with a light weight resin copy that was used by the foundry to take their mold from. This copy was eventually given to friends, who unfortunately fell on hard times and chose to sell the work in a sports memorabilia auction sale held by Wintertons of Uttoxeter (then Lichfield), around ten years ago.
As the artist I am now anxious to trace the current owners of the resin copy so I can authenticate the work for my autobiographical catalogue.
The sculpturel is unmistakeable, standing more than six feet high and showing Jack at the end of his iron driving swing. It also bears the artist's signature and the date on the base.
It may be in a clubhouse, a private collection, or even lying broken and neglected in a shed as the resin used would not survive permanent display without  maintenance.

Any information would be gratefully acknowledged.