Maybe so, but if somebody gives them the money ... "Lipton Rare Coins paid cash to several homeless people and gave them a pre-paid credit card with which to buy the coin ($1240, retail) once inside. (...) Coin in hand, the purchaser then heads to a station across the street, where the coin is transferred to an agent (...)" From a Coin Week article. Christian
No clue on an auction, but #1 did sell, for $100,000 with the buyer taking an option on the other 3 pieces.