Value depends on grade.G-4 $3.00 AU-50 $20.00
The difference (and the value) is where they were made. S= San Francisco, D= Denver.
A 1916-S Barber Dime in about good condition (AG3) is worth: $2.50.
Assuming this question is about what the coin is worth, the value depends on condition. A worn '16-S dime is worth about $2.50 just for its silver content, while an uncirculated coin is worth around $30.
The 1969-S dime is a Proof coin, that's why it has higher value.
dime = 10 cents
$8
1951s Dime retail is $1.00-$2.00 depending on the grade
The 1894-S dime is considered the rarest Mercury dime, with only 24 known to exist. This coin is highly sought after by collectors and can fetch a high price at auctions.
A 1903-S Barber Dime in good condition (G4) is worth: $85.00.
August 21, 2009 The 1983 no "S" dime proof set has a value of $1000.
A proof coin has a retail value of about $1.00
The difference is mostly the letter, the coins look identical otherwise. Only one was minted in San Fransisco (the S) and was produced in large numbers, the other (the D) was minted in Denver in very small amounts and the 1916-D is worth several hundred to several thousand dollars depending on condition.