Immediately below, is a link to my blog on Sandy Koufax forged/counterfeit "2000 SP Authentic" cards.

https://live.autographmagazine.com/profiles/blogs/3524372:BlogPost:...

Here are others that were sold by one Ebay seller.

Ebay seller Jonacarn_44 sold at least six (6) of these.

They were among other NJ/NY sellers (Tntnorthnj, Lyonhrt7777, etc) that were listing these week after week.

Here is the one sold by Ebay seller Mailboxautographs for $99.99.

https://www.ebay.com/itm/2000-Upper-Deck-SP-Chirography-Signatures-...