the finest example of the 1804 silver dollar known to exist sold for us786 million at a stack’s bowers galleries auction earlier this week making it the secondmost valuable us silver dollar ever sold the most valuable us dollar is the 1794 flowing hair dollar which sold for more than us10 million at a stack’s bowers galleries auction in 2013 the auction house said the coin graded proof68 by pcgs a professional coin grading service company was offered from the collection of d brent pogue pogue who died in 2019 at age 54 acquired the coin in 1999 for a then worldrecord price of us414 million according to stack’s bowers galleries the auction house declined to disclose the identity of the buyer the 1804 silver dollar coins known as “king of american coins” were specifically minted in 1834 at the request of president andrew jackson to be given by the us state department as diplomatic gifts fit for a king the one that was just sold was delivered in 1835 to said bin sultan alsaid the sultan of muscat and oman according to stack’s bowers galleries the front of the silver dollar features liberty’s bust the date 1804 and the word liberty the reverse of the 1804 dollar features an eagle and 13 stars representing the original 13 colonies the coin was offered tuesday night during the american numismatic association’s ana worlds fair of money in rosemont ill it was the second time the silver dollar was auctioned on us soil since its mysterious appearance in a london auction in 1917 stack’s bowers galleries said