The Gray Water Ops Smart Coin(TM) is protected by a US utility patent
This NFC crypto currency wallet uses Gray Water Ops NFC embedded challenge coin patent. Scan with any NFC enabled device and treat as cash!
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Berlin Airlift Mural, SWAT art and so much more... Remembering world renowned artist, Mr. Dick Kramer 4/1/38-1/14/2022
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