In 1927 the US Mint at Denver, Colorado struck 180,000 Double Eagles. There is no way to know how many of them still exist today.
There were no double eagle coins minted in 1816.
The obsolete gold coins that have an eagle on the reverse are: $20 Double Eagle-$10 Eagle-$5 Half Eagle-$2.5 Quarter Eagle. The American Eagle gold bullion coins also have "Eagle" reverses.
Most all US gold coins have the Eagle on the reverse. But the 4 Major coins are: DOUBLE EAGLE $20.00 EAGLE $10.00 HALF EAGLE $5.00 QUARTER EAGLE $2.50
1/4,1/2,eagle,double eagle
$20.00= Double Eagle/ $10.00= Eagle/ $5.00= Half Eagle/ $2.50= Quarter Eagle and $1.00 & $3.00 gold coins are referred to by the face value.
Four coins in which the eagle appears on the reverse side are:1/4 eagle ($2.50)1/2 eagle ($5.00)eagle ($10.00)double eagle ($20.00)
7-5-11>>> The coins are: $2.50= Quarter Eagle, $5.00= Half Eagle, $10.00= Eagle and the $20.00=Double Eagle. The US also made $1.00 & $3.00 gold coins.
If your asking for the types of gold coins with eagle reverses, there are more than four. The denominational "Names" of the major gold coins with eagles are: Double Eagle-$20/ Eagle-$10/ Half Eagle-$5/ Quarter Eagle-$2.50
The 1/4 eagle, 1/2 eagle, eagle and double eagle $2.50 $5.00 $10.00 $20.00
The 1/4 eagle, 1/2 eagle, eagle and double eagle $2.50 $5.00 $10.00 $20.00
The diameter of US Gold coins dated 1915 are: Double Eagle 34mm/Eagle 27mm/Half Eagle 21.6mm/ Quarter Eagle 18mm
3 Gold coins were struck at the Denver Mint in 1906. Current retail values for the coins graded at MS-62 are: Double Eagle $2,280.00/ Eagle $1,130.00/ Half Eagle $640.00