John Petty may refer to: (wikipedia)
Prices have skyrocketed. Five or six years ago, no one even considered comic books a serious investment.
The folks it's going to have the direct hit on is producers in the form of lower prices. If you go worst-case scenario, it could have some very real negative impacts.
There are deep-pocketed Elvis collectors that would just go berserk with the right kind of authenticity.
This is material Stan has kept all these years in his reference collection.