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More information can be found here about card grading https://www.beckett.com/grading/faq

Oh, I think the artwork is all proprietary and copyright so printing what may be confused as a physical card might be a violation of their copyright. They never licensed it for that use that I'm aware of and they may want to make physical cards. It doesn't negate the value of your digital card, as far as the code goes. Like Kitties, the SM uses NFT. Exact same, so I'd say yes, you may have jumped the gun there and may want to speak to the founders before continuing with your production of those. You may only be able to print out the code from the blockchain you bought. And that might not be what you were hoping to go for.

It is just a Photoshop I did as a joke post, I do not even own a printer ;)