[tiger8mush]

2 of the more expensive I've cracked ... now reside in my binder.

The Cobb was in an SGC 40 case, from the infamous Leon Luckey Collection.
The Mantle was in an SGC 60 case, even though it has a corner wrinkle on the back. If I resubmit 100 times I'd never get higher than SGC 40.