Couple hundred domains isn't little. Perhaps you can sell them all together as a bulk to some database like https://alldomainsdb.com/ https://alldomainsdb.com/.

Couple hundred domains isn't little. Perhaps you can sell them all together as a bulk to some database like https://alldomainsdb.com/ https://alldomainsdb.com/. They may be interested in acquiring them all, especially if they are old and have plenty of links, I can imagine they'll be quite interested. And you can ask for more money than from a natural person.