The folks who buy and sell from the classifieds here are a knowledgeable and honest bunch for the most part. Any number of folks would be glad to help you establish values if you want to go to the trouble of shipping the guns and selling them here or advertise on multiple sites on-line. Some of the pitfalls to consider is the packing and shipping costs, the time, and extra cost to cover a local FFL for shipping under his license or missing some sales because a lot of FFL's won't accept shipments from non-FFL holders; even for those who do you're constrained to use more expensive common carrier shipping so it's six of one, half dozen of the other, as they say . . .
Selling that many locally, you're probably going to get low balled on the one hand, but it may be you can find a shop or an FFL that would consign them or even take them all off your hands at once - but they'll have their money and time tied up and will need to buy at a price attractive enough for them to make money , especially if they have to sit on any number of them for a few months/years. You can advertise them locally and sell them piece-meal, but you'll deal with hundreds of nuts, flakes, tire kickers, and low-ballers, many of which you do NOT want to know where you live . . .
It can be a daunting proposition to move that many for someone who doesn't operate in those circles normally. Just accept that the easy ways are not going to bring as much return as the the more involved scenarios.
Of course, you can always spend the money on a table and set up at a gun show, but if you've read many of the postings here that story could take up a whole 'nother thread of its' own . . .