Please post a new question with the coin's denomination. Nearly all American coins carry the motto "E Pluribus Unum" ("From Many, One") so noting that a coin has that motto (spelled with 2 U's, not "unam", isn't specific enough.
Regardless of mint mark value is $14.00-$18.00
Post a new question and include denomination and mint-mark if it has one.
About $1000 for its gold content, regardless of mint mark.
$27 to $120,000 depending upon the mint mark and the condition of the coin.
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."
Regardless of mint mark value is $14.00-$18.00
"E pluribus unum" is NOT a mint mark, but rather is the motto on the Great Seal of the United States. As far as a coin value, post a new question that includes the date and actual mint mark.
Post a new question and include denomination and mint-mark if it has one.
About $1000 for its gold content, regardless of mint mark.
$27 to $120,000 depending upon the mint mark and the condition of the coin.
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."
$27 to $1300 depending upon the condition of the coin.
ALL U.S. coins carry that motto. Please post a new question with the coin's denomination, condition, and mint mark.
It partially depends on the mint mark, as well as condition. An 1898 dollar with either no mint mark or an O is worth $22 to $30. Then a '98-S is worth at least $24 and upwards of $150.
No mint mark indicates that the coin was minted in Philadelphia.
There is no "E" mint mark on any US coin, the 1928 Peace dollar can have only one mint mark an "S" which is on the reverse just above the tip of the eagles tail. If there is no "S" the coin was struck in Philadelphia, if it has a "S" the coin was struck in San Francisco. Please look at the coin again because the difference in value of the coin is very large depending on which mint the coin came from, with a "S" mint mark in the lowest grade of G-4 it has a value of $18.00 with no mint mark in the same grade value is $293.00
The 1881-O Morgan Dollar is common, average retail value is $25.00-$35.00 for a example in circulated condition