Closing as duplicate.
https://pricecharting.userecho.com/communities/1/topics/2129-union-arena
Would be great to see deleted Items from the colleaction in an Archive Folder or a Trash Folder. With a undelete function
Add coins like these to PriceCharting.
https://www.ngccoin.com/price-guide/united-states/commemoratives/73/
Let us know what features you want on PriceCharting.