sharpware
/ˈʃɑrpweɪr/Definitions
1. noun
A person who deals in second-hand goods, especially antiques or collectibles.
“The sharpware dealer sold the rare vase for a handsome profit.”
2. verb
To buy or sell second-hand goods, especially antiques or collectibles.
“The collector chose to sharpware the estate sale, looking for hidden gems.”