"An error in the production led to some or all of the inscription stickers being used for one of the respective players other auto cards on 2006 Greats of the Game and not the Nickname Greats set.
For example, all of Rusty Staubs cards in the NNG set are bereft of the "Le Grande Orange" inscription, while an estimated 80% of his GoG Autos card feature the inscription.
At press time weve verified 3 players in the NGA set with 2 versions of their cards: Andre Thornton (an estimated 10 percent feature Thunder)....."- Brian Fleischer

Now I own a GoG Andre Thorton with "Thunder" on it. Does this mean the card is more valuable than the $10 BV its listed at?

Premiums for errors are highly sensitive to demand. The fact that only 10% of the run feature Thunder is a good sign, but if collecting the variations doesn't become popular then your card may not realize much more than the correction if you sell it.

Keep an eye on the top marketplaces--eBay, beckett.com--and see what kind of prices it's being offered and purchased for. That will tell you how hot the errors are.

Peter G.