#1 Rule is that you post the offers in the thread, maybe the trader keeps a leaderboard. I don't think you should have to accept an offer, if you got lowballed you shouldn't be forced to accept, but it kind of ruins it.
187 Printing Plate Autographs and counting: photobucket.com/plateautographs
Collect: Ra'Shede Hageman, David Cobb, Maxx Williams, Eric Murray, Briean Boddy-Calhoun
ROW THE BOAT