eBay user fxfrenikk found a Krystal sculpture in his storage. I've never seen this sculpture before, but apparently fxfrenikk bought it from someone about 15 years ago. That would have been almost as soon as Star Fox Adventures came out.
The sculpture itself features Krystal in a casual shirt and jeans. It was made from scratch using hard resin, then painted. At some point, the head apparently broke off, but was repaired. The tail is removable and is a separate piece. The figure is 8.5 inches tall.
The auction is going on for the next two days. No one has bid yet, and it has a starting bid of $35. You can buy it right now for $50. Visit the Auction Page for more information and photos.
Thanks to Angelin for the heads up.
EDIT: And... it's gone. It had to have been someone who saw the blog or my twitter post. Who bought it?
EDIT 2: One of our Discord users, XCABAL, bought the sculpture. He will post pictures when he gets it.