1849 $1 Gold Liberty Head No "L" Variety Mintage 1,000 coins When it made its first appearance in 1849, the $1 gold coin was a mere thirteen millimeters in diameter—more than one-fourth smaller than our present-day Roosevelt dime. That made it the smallest coin in U.S. history in girth, though not in weight (the silver three-cent piece weighed less.
The best I can do for US are some semi-keys, with less common varieties. 1901-S Rev3 "thick ribbon" 1903-S Rev3 "thick ribbon" 1904-S Rev2 "thin ribbon"
This is the 1853 No Arrows Dime, 95,000 produced before the reduction in silver took effect and arrows were added at the date.
Here are a couple of the best rare date and mint mark gold coins that I have. 1855-D Gold Dollar, mintage 1,811, estimated number of survivors, around 80. 1854-D Three Dollar Gold Piece, mintage 1,120, estimated number of survivors, 300.
I just put this on lay-a-way for my type set. A 1797 15 stars Half Dime, VF 25. It will be mine in a couple of months.