FYI: Fleer's Bankruptcy was in 2005. They were still in decent financial shape in 2001.
My limited google research seem to indicate these were 5 x 7 cards so I wonder if they were issued through hobby channels.
Here is a Chipper currently available on Ebay for $19
https://www.ebay.com/itm/Chipper-Jon...s/311878766875
I can check further but I think these are neat but not hundreds of dollars
Rich