Go here
http://www.emovieposter.com/agallery/archive.html and start searching.
But realize that you likely can't realize the same results, and that you can't consign them and make money unless there are some better items.
And before you go buying those, realize that we have two lots each week we have regular Sunday items (from a closed down store) of 100 assorted lobby cards and another of 98, and all of those are in plastic bags, and those usually auction for between $40 and $100 for the 100 (or 98).
Here are the two auctions ending tomorrow:
http://auctions.emovieposter.com/Bidding.taf?_function=detail&Auction_uid1=2337457
http://auctions.emovieposter.com/Bidding.taf?_function=detail&Auction_uid1=2337458Bruce