Nearly $28 Million in U.S. Coins, Paper Money Sold in Stack’s Bowers March Las Vegas Auction Las Vegas, The primary highlight of the auction was the U.S. Mint gold coin ever sold. Accompanying this piece was the finest known 1797 Draped Bust half dollar that also set a record as the most valuable U.S. Mint half dollar at nearly $1.7 million. These two pieces were sold in the firm’s Rarities Night session held on Thursday, March 25, which is sure to be remembered as a historic event in American numismatics. By the end of the evening, seven lots had attained six or seven-figure prices, c...