1870, Genuine #1

1.) Background lines are thin and evenly spaced.
2.) Liberty cap does not reach the circle above it.
3.) Upper serifs at the numerals "1" in the corners end with a sort of a knob.

Exp: do

Forgery of #1

1.) There are 6 heavy splotchy lines in the upper background.
2.) Liberty cap touches the circle above it.
3.) Upper serifs of the numerals "1" do not end in a knob as the originals.
4.) Many other differences.

Exp: do
Ref: Rev. Earee