Back in 1903, the nickel was called, the "Liberty" nickel. The name "Mercury" only refers to the dime and came into circulation in 1916. The "Mercury" dime was produced until 1945. In 1946 to present, it is called the "Roosevelt" dime.
There is no such thing as a Mercury nickel. See the related question below.
OK, it's not Lincoln, he is only on the penny. With a date of 1903 it's a Liberty Head nickel an has a value of $3.00-$5.00 in circulated condition
With a V on the reverse it's a LibertyHead nickel not a dime. The V is the Roman numeral 5 The date 1903 is common and retail values are $3.00-$5.00 for a coin in average collectible condition
Average value is $1.00-$3.00 for most circulated coins.
how much is a 1903 nickel worth
There is no such thing as a Mercury nickel. See the related question below.
OK, it's not Lincoln, he is only on the penny. With a date of 1903 it's a Liberty Head nickel an has a value of $3.00-$5.00 in circulated condition
10-500 USD or so
With a V on the reverse it's a LibertyHead nickel not a dime. The V is the Roman numeral 5 The date 1903 is common and retail values are $3.00-$5.00 for a coin in average collectible condition
Average value is $1.00-$3.00 for most circulated coins.
how much is a 1903 nickel worth
The only US nickels to have silver are the "War Nickels" from 1942 to 1945. A 1903 is a copper-nickel coin and is a common date. In average condition, values are $1.00-$3.00
It's moderately rare and can cost from $5-$30 depending on condition.
value depends on overall condition.
Not Mercury, either. The so-called Mercury design was used on dimes from 1916 to 1945. Please post a new question with a more complete description of the coin. If it has a large V on the back it's a Liberty Nickel.
Can't be answered without knowing who made it.
Strictly be density, nickel should float on mercury.