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Different types of clash marks converge for rare error

This 1993 Lincoln penny shows a weak, tilted, and horizontally misalign clash scar on the obverse face. This is one of many radically misaligned die clashes known from cents struck in the period 1990 to 2000. This 1963 Australia penny shows a radically misaligned die brush on the reverse face, which was struck by the malleus die. It besides shows a ceremonious die clang on the same confront. A close-up of the radically misaligned clang marks, which match the dentils and design rim of the incus fail. A die clash occurs when minimum die clearance drops to zero and the dies collide when a planchet fails to be fed into the fall upon bedroom.

The term “ radically misaligned die clash ” ( or “ group MAD brush ” ) has been used to describe an strange type of die clash that combines several attributes. It is a moderately to very watery brush involving a mallet die that is tilted and horizontally misaligned to a noteworthy degree ( sometimes over 50 percentage ). A rotation or pivot of the die is besides occasionally region of the mix ( Collectors ’ Clearinghouse, July 12, 2010 ) .
Among modern issues, radical MAD clashes are restricted to Lincoln cents minted from 1990 to 2000. But in that period, a surprise number were produced. The web site lists 34 unequivocal cases and 13 extra cases regarded as probationary because they couldn ’ deoxythymidine monophosphate confidently be distinguished from curvilineal die dents. A 1993 Lincoln penny ( MDC-1c-1993-02 ) illustrates this error type .
To find other domestic examples you have to go back to the nineteenth hundred. Rick Snow, in the April 2012 edition of Longacre ’ mho Ledger ( Vol. 22, No. 1 ), lists five indian read/write head cents and one 2-cent piece with such errors .

Beyond our borders, the most productive reservoir of radical MAD clashes has been Canada, which has given us five 1-cent coins minted between 1962 and 1963 and a individual 5-cent mint produced in 1949 ( Collectors ’ Clearinghouse, Dec. 31, 2013 ) .
extremist MAD clashes have always stood apart from conventional die clashes. The latter are normally well-centered, and any misalignments tend to be quite modest. Die tilt is rarely confront and never significant .
It should be noted that a very big number of powerfully tilted but relatively well-centered die clashes are known among 1960 and 1960-D Lincoln, Small Date cents. At the same time, very few conventional clashes are known from this date subtype. This cryptic form would seem to be unrelated to the group MAD clashes of late years ( Collectors ’ Clearinghouse, Jan. 3, 2011 ) .
radical MAD clashes far outnumber coins actually struck by similarly positioned mallet dies. I know of merely two domestic examples — a dime and a cent — struck in this fashion ( Collectors ’ Clearinghouse, Feb. 1, 2010, and Oct. 8, 2012 ). This numeral discrepancy has led to speculations that the clashes occurred before or during installation .
This impression has nowadays been called into interview by a newly recorded MAD clash in a 1963 Australia penny. The reverse expression ( struck by the hammer die ) shows both a strong conventional die clash and a free radical MAD clash. A far as I know, this is the first root MAD clash from Australia.

As is typical of radical MAD clashes, the hammer die was powerfully misaligned ( 29 percentage ) and tilted when it collided with the margin of the anvil die at approximately 7:00. The relatively weak collision left an depression of the incus die ’ second dentils and invention rim in the sphere fortune of the hammer die. The hammer fail leaned over far enough to contact both the inner margin and the recess forbidden allowance of the anvil die ’ randomness rim gutter. The brush marks appear on either side of the kangaroo ’ sulfur leg .
A well-centered conventional die clash left the delineate of Elizabeth II ’ mho female chest in the field on either side of the kangaroo. The MAD collide sits within her incuse neck .
I can not determine if the MAD clash preceded or followed the ceremonious clash. But their accompaniment suggests that both were the product of compress malfunctions during a production run .
The anvil ( obverse ) die shows no clash marks, powerfully suggesting that the die was switched-out before this coin was struck. The alone early hypothesis is that the clash marks were intentionally abraded. however, this seems improbable since there are no die scratches, no loss of low-lying purpose features, and no attenuation of letters .
In either event, it seems that damage to one die was attended to by mint workers while the other die was ignored .
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