A 1939 Jefferson Nickel without a mintmark is valued around
$0.25-$125. The higher values ($100+) are for proof coins with
frosted devices, or images, and mirror-like fields. The average
circulated 1939 is worth around $0.50. Average uncirculated 1939 is
around $2. A 1939-S Jefferson Nickel is worth between $1.50 and
$40. Average circulated value is $4, average uncirculated is $20. A
1939 nickel with the D mintmark is worth between $10-$110, average
circulated about $$12, average uncirculated $65. Some 1939 no
mintmark nickels show the words "MONTICELLO" and "FIVE CENTS"
doubled. This variety is worth between $75 and $700. Included is a
picture of a 1939 nickel with doubling. Note especially doubling on
the "M" and both "O"'s in "MONTICELLO".