1974 die shift error

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warworn
Posts: 5
Joined: Wed Feb 28, 2018 12:07 am

1974 die shift error

Post by warworn » Sun Mar 17, 2019 1:58 am

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found that there was some doubling in a couple different spots on a 1974 quarter crown, forhead, most of the lettering. Another 1974(not shown) has doubling below the chin and at the back of the queens head, less along the lettering.
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Bill in Burl
Posts: 624
Joined: Thu Sep 04, 2008 7:41 am
Location: Golden Horseshoe, ONT

Re: 1974 die shift error

Post by Bill in Burl » Sun Mar 17, 2019 5:11 am

Without seeing it in hand, I'd say machine/mechanical doubling. In the nanosecond after the die strikes, it slightly moves as the die retreats from the planchet. It is corrected by tightening up the holder/keeper that holds the die in place. Pretty common on old Vicky large cents, but new presses may be a little different.
Bill in Burl

coinguy
Posts: 303
Joined: Tue Aug 16, 2016 10:03 am

Re: 1974 die shift error

Post by coinguy » Sun Mar 17, 2019 8:10 am

Looks like Machine Doubling to me.
Not really considered an error as it is
part of the minting process.

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