depends on how old they are if real old antieak stores will buy them or else garage sell
One can sell signed baseballs on websites like eBay, Sports Buy, Autograph Collecting, PSA Card, Geo Cities, ABC Unlimited, Richard Simpson Sports or Huggs and Scott.
Yes he has a autograph to sell.
Of course, most baseball players will sign anything for a fan at the right moment.
I have no answer but would like to know.
In the MLB the baseballs that the umpire receives are tossed off to the bat boy and the home team (since they are supplying the baseballs) will usually sell them in their clubhouse or fan store.
-$1
A Robbie Gould autograph would sell for 1 dollar for every point that he has scored in the NFL, true story. I read about it... IN A BOOK!
Signatures that have not been properly authenticated could sell at half the market value or less. Two of the top authenticators are PSA/DNA and JSA. They do business through the mail but you could check their show schedule to see if they will be in the Delaware area.
eBay is a great place to sell Jordan cards.
Ebay.com
1600
I'd try eBay or Craigslist.