Re: Article on coins with flat surfaces now...
- Since the hammer die seems to have been completely unmoored, it would make sense for the flat obverse to have been generated by a piece of the die assembly that had fallen out. But we'll never know for sure.
--- In firstname.lastname@example.org, innff@... wrote:
> Interesting article Mike. Thanks for the link.
> In a message dated 6/15/2013 4:01:12 P.M. Eastern Daylight Time,
> mdia1@... writes:
> This article includes a unique and wickedly complex error brought to my
> attention by Fred Weinberg and which once belonged to Arnie Margolis. It took
> me a few days to figure out what probably happened. But many
> uncertainties remain.
> The Mint's explanation was that the nickel was at the bottom of a pileup
> and that this coin was extruded from the pile as a result of the enormous
> pressures generated. I've seen many coins and pieces of coin shrapnel derived
> from pileups and they look nothing like this. A coin from a pileup would
> not show the design ending in the middle of a planchet.
> One big mystery is what produced the flat surface on the obverse face.
> While the feeder mechanism could be responsible, every coin I've seen struck
> through a feeder finger or feeder arm has a rough or matte surface. But as
> we saw from that pictorial tour of the San Francisco Mint I posted a link
> to, the die assembly has many components.