Who pays big for RCA's and Merc LPs?

I have a few original pressings I've bought form an analog software retailer, and I'd like to re-sell them. They just aren't as good as the reissues, in my opinion. These aren't quite mint, but they aren't in bad shape either. THANKS FOR ANY HELP YOU'VE GOT.
I've been interested in these items for years. I don't have the collector's obsession, but I am always willing to buy something that is in better shape than what I have. Please, send me your list.