Joanne goes to a garage sale where she finds jewelry for sal…

Joanne goes to a garage sale where she finds jewelry for sale. She buys a handful of what appears to be costume jewelry for her daughter to play with. She pays $5 for it. Later, a friend of Joanne happens to see the jewelry and discovers that one piece consists of diamonds and is worth about $2,000. If the seller of the jewelry seeks to rescind this contract, which of the following is true?