I seem to recall one version of Adventurer's League where, when multiple players wanted an item the person with the least magic items got it. Hard to institute now.
I have brought it up mid-game, as a DM. The store clerk asked the party how they divided treasure, because he was about to offer one of the players a ton of money for something they carried. And he wanted to know if he was negotiating with the player or the whole party.
This is an old thread and that campaign actually ended. We did say no, but the problem was other than this it was a very fun campaign. My particular predicament (and the reason for this post) is how do I do this without breaking up the game.