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1967-P Quarter With PMD But The Copper Core Is Worn Out

 
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Author Previous TopicReplies: 5 / Views: 159Next Topic  
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1108 Posts
 Posted 02/27/2021  6:51 pm Show Profile   Bookmark this topic Add Dearborn to your friends list Get a Link to this Message
Strange wear pattern on this Washington quarter

What is the consensus on what happened to it?



Collecting since 1972. Learning from then on
"Tell me and I forget. Teach me and I remember. Involve me and I learn." -Benjamin Franklin
My Dansco 7070 type set coin count: 31/76
My Dansco 8176 Eisenhower set coin count: 36/36
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United States
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 Posted 02/27/2021  7:00 pm  Show Profile   Bookmark this reply Add Numisma to your friends list Get a Link to this Reply
Acid damage. The pure copper core is more susceptible to corrosion than the 75% copper, 25% nickel cladding, though you can see some corrosion on the surfaces too.
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 Posted 02/27/2021  7:05 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Agree, acid trip.
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United States
1108 Posts
 Posted 02/27/2021  7:49 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
Nice. thanks.. Sure does explain it.
Collecting since 1972. Learning from then on
"Tell me and I forget. Teach me and I remember. Involve me and I learn." -Benjamin Franklin
My Dansco 7070 type set coin count: 31/76
My Dansco 8176 Eisenhower set coin count: 36/36
Pillar of the Community
United States
5464 Posts
 Posted 02/27/2021  8:42 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
Totally agree, man. Acid.

ša va bien aller

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 Posted 02/27/2021  9:15 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply

Richard S. Cooper
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