Which one? Sears sold a lot of different guns with Ted's name on them from 1961 to sometime in the 1980's. A semi-automatic will bring a lot more than a bolt action or a pump. There should be a Sears model number (usually 3 digits, a period, and 1 or more additional digits) that can usually be cross-referenced to a manufacturer's model.
Ted Williams was the store brand name used by Sears. Laurona made the shotgun for Sears and stamped it Ted Williams for the.
Winchester Winchester
The value of a Ted Williams 12 gauge single shot, shot gun is determined by the condition it's in. If in excellent condition this gun may be worth up to 400 dollars.
50-100 USD
Not very much. "Ted Williams" was Sears' private-label sporting goods brand. There were Ted Williams baseball articles, Ted Williams tents, even Ted Williams outboard motors. This stuff was very popular and sold in the millions. The good part is, Ted didn't endorse junk. Ted Williams sporting goods were high quality and reliable.
100-300 USD
£4.99
50-150 USD
Ted Williams shotguns were made by Ithaca and sold thru Sears. Some of this model were made by Bolito of Brazil and will have "Brazil" stamped on the receiver.
Internet auctions, gun shows, gun shops, want ads.
50-180 USD
100 USD or so