You can check before you buy. You can verify before you sell. When you “cash in” your value matter you get the day price per gram for that metal. If the seal says your ingot is valid you get instant cash or credit when you agree to the sale and deliver the ingot.
Silver is hot now. There could be some interest in my technology.
My patent is priced to move on 1 OCT 2025 at $20,000
I’m at robert.gary@gmail.com
https://read.amazon.com/?asin=B092KYDZDM&ref_=kwl_kr_iv_rec_2
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ROBERTFENTONGARY.com 