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<p>[QUOTE="Hobo, post: 479414, member: 11521"]That's exactly what I was thinking. Luster is caused by die flow lines in the die that develop after the die has been in use for a while. (Flowing metal when coins are struck slowly erode the surface of the die creating die flow lines.) A new die will have smooth field surfaces and is much more likely to produce a Proof-like coin than one with tremendous luster. </p><p> </p><p><br /></p><p> </p><p>I cannot agree with this. Being struck twice and having mechanical damage are two entirely different animals. </p><p> </p><p>If this coin were struck twice (as Proof coins are) it would not be so weakly struck (unless something extraordinary was going on, e.g., improper die setting or improper pressure). </p><p> </p><p>Mechanical damage occurs when a coin is struck and the die chatters immediately after striking the coin. MD generally shears off a portion of the just-struck coin and leaves a shelf where the metal was sheared off. I do not see any shelves or any other evidence of MD.[/QUOTE]</p><p><br /></p>
[QUOTE="Hobo, post: 479414, member: 11521"]That's exactly what I was thinking. Luster is caused by die flow lines in the die that develop after the die has been in use for a while. (Flowing metal when coins are struck slowly erode the surface of the die creating die flow lines.) A new die will have smooth field surfaces and is much more likely to produce a Proof-like coin than one with tremendous luster. I cannot agree with this. Being struck twice and having mechanical damage are two entirely different animals. If this coin were struck twice (as Proof coins are) it would not be so weakly struck (unless something extraordinary was going on, e.g., improper die setting or improper pressure). Mechanical damage occurs when a coin is struck and the die chatters immediately after striking the coin. MD generally shears off a portion of the just-struck coin and leaves a shelf where the metal was sheared off. I do not see any shelves or any other evidence of MD.[/QUOTE]
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