Think I have found JP hallmark.. asking advice anyone?

I may have found the mystery artisans hallmark for claw necklace… After searching Wrights Book I found a similar Stamp… Posting 2 Photos of my necklace & hallmark and
the Ring on Ebay says its a Jerry Roan but I think it is a (very OLD )Jerry Platero… …i’ll post last 2 shots of ebays photos
can anybody peek and tell me what you think ?? Match or not Thanks so much