Cool. I believe Hallmark, but not marked. Aged wear. Please see photos as they are part of description and I am not an expert.   I am selling similar items and offer combined shipping if you email me before payment.  Please see my other items for fun and vintage finds.    I am not a jeweler and do not test me items. All my items have aged wear, are used and may require cleaning or polishing.  I ONLY SHIP US.