The 1908-S Barber Quarter in the grade of G-4 has a retail value of $18.00.
It's a Liberty Head Nickel not a Barber. The Barber series don't have nickels. Retail value for 1908 nickels are $3.00-$5.00 in circulated condition.
It's a common coin with average retail values of $3.00-$5.00 for most circulated coins.
Assuming the coin is circulated and has no mintmark, the 1908 Barber dime is a very common coin, for a coin in average circulated condition the values are $2.00-$8.00 retail.
The 1908 Indian Head penny is a very common cent even today. Its value in circulated condition is only about $1-3.
$178.00-$312.00 for circulated coins.
Please look at the coin again and post new question, there is no such coin as a walking liberty nickel.
Depending on the grade, retail values for circulated coins are $178.00-$300.00
In G-4 $6.00 to $185.00 in MS-60
What denomination? Please post a new question with that important information.
The US Mint issued gold coins in 4 denominations in 1908; the Quarter Eagle { $2.50 }, the Half Eagle { $5.00 }, the Eagle {$10.00 }, the Double Eagle { $20.00 }. Please examine your coin and submit a new question giving the denomination as well as the date of the coin.
Philadelphia the Cradle of Liberty - 1908 was released on: USA: 25 June 1908
If you mean a $2.50 Gold coin dated 1908 retail values for a circulated coin are $185.00-$250.00 with uncirculated at $350.00+