The question was not answered about jtc. every one knows it is the jewelry company's mark, they want to know what the initials stand for. What is the name of JTC? Does the J stand for Josten's. I know it is not the new jewelry in Colorado Springs called the Jewelry training company. The JTC on the rings is an old mark and all three initials stand for something. There is not any vintage or antique dealer who knows or they just do not want to share. there are several people wanting to find out on the internet. Does anyone out there know anything.
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Sponsor Mark by: Anonymous
The initials JTC is what's known as the sponsor mark, and it's the initials of the firm or indiviual who submitted the piece for marking.