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Replies: 22 / Views: 1,991 |
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Pillar of the Community
United States
6887 Posts |
Quote: You also need to remember that there is more metal in the later punches as they got more worn. Wear is definitely a factor. However, you can pick any year—including 1951-and find thin, well formed Trumpet Tail S marks alongside the broad, flattened Trumpet Tail S that looks quite different. I don't think that's the punch wearing out over the course of a year, I think that's multiple punches in use. Particularly because you can see the same punch in use in many consecutive years.
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Pillar of the Community
 United States
8975 Posts |
Quote: I don't think that's the punch wearing out over the course of a year, I was referring to the coin you had in the link, which was from 1942, early in the punches life. Quote: I think that's multiple punches in use I cannot argue with this. 
-makecents-
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Pillar of the Community
 United States
4051 Posts |
Hmm, my equalization of magnification shows that one is taller than the other. Not much but a bit. I guess I would need to check some actual coins as you suggested earlier to be sure, but ultimately if both are from 1951, I'd be arguing that the -005 was used in 1951, which would be quite a revelation but probably not my windmill.
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Pillar of the Community
United States
6887 Posts |
I have sometimes wondered if the difference between the thin, aesthetically pleasing trumpet tail S and the stubby, broad trumpet tail S is merely the depth of punch. But if that were the case, the broad mint mark would taper upwards to the thin outline, correct?
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Pillar of the Community
 United States
4051 Posts |
That is correct.
It's often most instructive to "paint" a line at the highest ridge point of the MM. This won't change with depth of punching so is a good reference. I often do this when seeing if a secondary MM or portion of one could be a MM or a gouge, etc.
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Valued Member
 United States
292 Posts |
can the MM get wider as it ages?
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Pillar of the Community
 United States
4051 Posts |
Probably it can distort as it is used, but we'd see that over time during the years it was used.
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Replies: 22 / Views: 1,991 |
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