To set things straight and so that you can find your coin when doing searches, that's ST GAUDENS and NO MOTTO.
Numismedia lists a retail fair market value of an MS66 no-motto St. Gaudens double eagle at roughly $3800 for a Philadelphia coin, and 10 times that for a Denver coin.
In any case you need to be sure that your coin has been certified by one of the major grading services. MS66 is a stratospheric level for a coin and only a trained expert can assign that grade reliably.
A 1923 $20 Gold Coin - aka - Saint-Gaudens Double Eagle - in a mint state of MS63 is worth: $1500.
The Liberty Dollar is worth One Dollar!
Saint Gaudens, High Relief, Roman Numerals, no motto 1907 is worth upwards of $30,000
The Canadian Dollar is worth the most.
It's worth one dollar.
Yes, a penny is worth 1/100 of a dollar, a nickel is worth 1/20 of a dollar, a dime is worth 1/10 of a dollar, and a quarter is worth 1/4 of a dollar!
A US dollar is worth 0.9822561 of a dollar in Europe
At the time, it was worth one dollar.
Dollar bills are not always worth one dollar, however one dollar bills are worth one dollar for the sake that 1=1, it is a one dollar bill, and can be exchanged for goods and services.
Values depending on grade for circulated 1915 Saint-Gaudens are $1,340.00-$1,710.00 uncirculated examples start at $1,770.00
1 Australian dollar is worth 1.06 Dollar in US
A dollar