The highest known sale price is a little more than $7.8 Million in June of 2010 for what is believed to be the very first 1794 Flowing Hair Dollar ever made by and for the United States of America.
1895
The most two most valuable are the 1903-O Morgan and 1928 Peace dollar, followed by the '21 Peace and the '02-S and '03-S Morgans.
There's no such thing as a U.S. silver dollar coin from 1957.
From least to greatest: Penny Nickel Dime Quarter Half Dollar Gold and Silver Dollar
1794/5 Flowing hair silver/copper dollar U.S.
An 1804 silver dollar sold at auction at PRF-68 for $4,000,000. Fewer than 15 are known.UpdatesIn 2010 a 1794 flowing hair silver dollar sold for almost $8 million.
Please rephrase the question
1794/5 Flowing hair silver/copper dollar
Yes since it contains silver
Either a "wheat penny", silver dime, silver quarter, silver half dollar, half dollar, dollar, bicentenial quarter half-dollar dollar, error coin
The Proof 1998s Silver Matte Finish $300.00 per Red Book.
The fabled 1804 dollar is arguably the most valuable coin in this series. However, in reality none were struck in 1804! You can see pictures and read a bit at the following link.