What kind of coin? Dime, quarter, half dollar, dollar, trade dollar? Can you find a small mint mark (S, O, CC) on the back?
Please post a new and more detailed question.
what is the current value of an 1878 silver dollar
The US struck a gold and silver one dollar coin in 1878, post new question as to type of coin.
The Liberty head design was used on over several different coins in 1878. Please post a new question with the coin's denomination, with the wording "What is the value of an 1878 US (coin denomination)?" e.g. What is the value of an 1878 US silver dollar? or What is the value of an 1878 US 10 dollar gold piece.
Several different varieties (5) of 1878 Morgan dollars were made and values run from $17.00-$75.00 depending on type and how much wear the coin has. So take it to a coin dealer for a better idea of value.
The first Morgan dollar was coined in 1878, a US dollar coin dated 1797 is a Draped Bust dollar. If you actually have a dollar coin dated 1797, take it to a coin dealer for an accurate assessment.
The first US dollar coin was struck in 1794.
The coin has .77344oz of pure silver.
It contains 1 ounce of silver.
A silver dollar with the national motto on it dated 1878 is actually called a MORGAN dollar, most all US coins have this motto somewhere on the coin. It's a very common coin with a retail value of $38.00-$44.00 for most coins.
The first Morgan was struck in 1878, and no US silver dollars were struck in 1832. Check the coin again and post new question.
Look at the coin again, no US dollar coins were struck in 1832 and the first Morgan was in 1878.
The Philadelphia issue (no mintmark) 1878 Trade Dollar is a Proof only issue with a retail value of $1,500.00 and much more. But the entire series is known to have counterfeits and copy's, so take it to a coin dealer for an assessment.