Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
Error Coins
>
I found a 1945 wheat penny...no mint.
>
Reply to Thread
Message:
<p>[QUOTE="Oldhoopster, post: 2960235, member: 84179"]It has been well documented that roll crimping devices can shift metal devices on the surface of a coin. This can be anything from a full ringed gouge to just pushing a digit or letter. I used to have a copy of Frank Spadone’s Variety and Oddity of US Coins published in the early 70’s that comments on this, so it’s been known for awhile. </p><p><br /></p><p>You also need to consider the die making and minting process. There is no place in the process that can produce this type of error. The mint cannot make s single die with a crooked letter since they come from a master hub. And remember, the raised letters and digits are in relief in the die, so any damage to a specific die would not only have to cut into it to form a crooked letter, but also fill in the area where the letter was originally. This can’t happen.</p><p><br /></p><p>If you look at enough coins, you’ll occasionally come across a crooked letter or digit. Now think about a crimping device works and take a look at a crimped roll. As the metal “fingers” force the paper into a tight roll, they can come in contact with the end coin and if the depth is just right, it will push the thin area of raised metal (letter or digit). You can even see the scrapes on the coin if you look at it under magnification.</p><p><br /></p><p>Hope this helps explain the cause of this type of damage and why it cannot happen at the mint.[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 2960235, member: 84179"]It has been well documented that roll crimping devices can shift metal devices on the surface of a coin. This can be anything from a full ringed gouge to just pushing a digit or letter. I used to have a copy of Frank Spadone’s Variety and Oddity of US Coins published in the early 70’s that comments on this, so it’s been known for awhile. You also need to consider the die making and minting process. There is no place in the process that can produce this type of error. The mint cannot make s single die with a crooked letter since they come from a master hub. And remember, the raised letters and digits are in relief in the die, so any damage to a specific die would not only have to cut into it to form a crooked letter, but also fill in the area where the letter was originally. This can’t happen. If you look at enough coins, you’ll occasionally come across a crooked letter or digit. Now think about a crimping device works and take a look at a crimped roll. As the metal “fingers” force the paper into a tight roll, they can come in contact with the end coin and if the depth is just right, it will push the thin area of raised metal (letter or digit). You can even see the scrapes on the coin if you look at it under magnification. Hope this helps explain the cause of this type of damage and why it cannot happen at the mint.[/QUOTE]
Your name or email address:
Do you already have an account?
No, create an account now.
Yes, my password is:
Forgot your password?
Stay logged in
Coin Talk
Home
Forums
>
Coin Forums
>
Error Coins
>
I found a 1945 wheat penny...no mint.
>
Home
Home
Quick Links
Search Forums
Recent Activity
Recent Posts
Forums
Forums
Quick Links
Search Forums
Recent Posts
Competitions
Competitions
Quick Links
Competition Index
Rules, Terms & Conditions
Gallery
Gallery
Quick Links
Search Media
New Media
Showcase
Showcase
Quick Links
Search Items
Most Active Members
New Items
Directory
Directory
Quick Links
Directory Home
New Listings
Members
Members
Quick Links
Notable Members
Current Visitors
Recent Activity
New Profile Posts
Sponsors
Menu
Search
Search titles only
Posted by Member:
Separate names with a comma.
Newer Than:
Search this thread only
Search this forum only
Display results as threads
Useful Searches
Recent Posts
More...