Posted By:
Matt"These groups help keep the price of the lot down, which of course touches the question of whether it can be considered collusion. Most collectors feel these groups are okay, but there is some gray area."
It could certainly be argued that these groups actually drive the lot price up; usually, such groups are formed when people either cannot afford the whole lot or don't want to sell off the cards they don't want. By forming the group, you including another bidder who wouldn't otherwise be in play.