Controversial gold coin, sold for over $7.5 million in 2002.
First U.S. silver dollar, sold for over $10 million in 2013.
Rare gold coin by Ephraim Brasher, sold for $7.4 million in 2021.
"King of American Coins," sold for over $4 million at auction.
Only five known specimens, sold for over $4.5 million in 2018.
Pattern coin, sold for over $2.5 million in 2013.
Unique composition, sold for over $1.5 million in 2015.
Experimental coinage, sold for over $2.5 million in 2015.