Can fake brockages fall within normal weight tolerances?
- Lindy asks a legitimate question about how it's possible to have a
fake brockage on a coin that's close to normal weight. Here are some
1. Use a genuine in-collar uniface strike and impress a brockage into
the blank face. We've already come across one of those on ECIE.
2. Use a genuine off-center uniface strike and impress a brockage
into the blank surface. All off-center coins with unexpanded
brockages should be checked carefully for this alteration.
3. Take a coin (normal or error) and tap down the design with a small
peening device (hand-held or electrical) so it is very flat. Then
polish the metal away. I once saw an alleged uniface state quarter
in which the entire obverse design had been obliterated by delicate
peening of the surface. All you could see was a field filled with
shallow pockmarks. Not much metal would be removed by polishing if
you first reworked the surface in this manner.
4. Find a coin (normal or error) that's at the high end of the normal
range of variation and grind off one face. The altered coin may
still hover at the low end of normal variation since you're starting
with an unusually heavy coin.
It's a scary world out there, folks. Never underestimate the
ingenuity of the criminal mind.