Okay ... here's the before and after pics of 2 coins.
Chance
First victim is a very dark 1909 VDB
from this (natural light)

to this:

...or a 1901 Indian ... in natural light:

To this:

Chance
First victim is a very dark 1909 VDB
from this (natural light)

to this:

...or a 1901 Indian ... in natural light:

To this:






















