Assuming it's circulated and has no "S" mintmark, retail values for average coins run from $8.00 to $14.00.
$90,848,64
The lack of a mint mark (not "stamp", btw) indicates your coin was struck in Philadelphia. Its current retail value is about $3.25, mostly due to its silver content.
The other threequarters.
As of today the value is about $17.00 it's a bullion coin and the value is just for the silver. FYI it's called a Silver Eagle or American Silver Eagle coin
"Mercury" dimes were minted from 1916 to 1945.Standing Liberty quarters were minted from 1916 to 1930.Please check again and post a new question with the coin's date and mint mark.
$50-$200 US depending on condition.
A quarter of a pound is equal to 4 ounces. This measure is commonly used in cooking and when purchasing meat or other goods that are sold by weight.
I assume you mean the walking liberty half dollar (1916-1947). They contain .3617 ounce of silver. Just a bit more than 1/3 oz.
The chemical formula of silver phosphide ia Ag3P. The ion of silver is Ag+.
Please rephrase question.
Assuming it's circulated, has no mintmarks and depending on the actual grade, values are $32.00-$44.00. The 1888 MORGAN dollar is very common.
It could not have been minted at the Denver mint. The Denver mint did not start striking coins until 1906.