What are my legal rights? Does a will have to be signed by both husband and wife confirming acceptance of the contents of the will? If the will state

My wife passed over a year ago, her daughter is insisting I return the wedding ring I purchased in our engagement 18 years ago. There is substantial resentment brewing because I refuse to return the ring. Her reasoning is that my wife requested in her will that she, her daughter gets possession of the ring. I have not seen that specific statement in her will since I do not have that specific will, which was changed a few times without my knowledge.