Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
US Coins Forum
>
1921 Peace Dollar grading
>
Reply to Thread
Message:
<p>[QUOTE="Insider, post: 2321221, member: 24314"]The usual usage of the word refers to parallel grooves; however, I have used the term to refer to parallel incuse grooves, and parallel flat or raised characteristics on a coin's surface. In geology class we used the term to describe layers of material. </p><p><br /></p><p>So, a coin with a parallel alloy streak impurity could be called striated; but that is a stretch. The parallel grooves on the gold dollar are "actual" striae. Now, explain how post mint roller damage can occur w/o making the coin flat? That is not the answer. The only things that can make these marks is PM scratch damage or Pre-strike planchet "damage." Now think about why the grooves are both into the field and on top of the relief design? When the light bulb goes off, you'll know more than many collectors about these marks.[/QUOTE]</p><p><br /></p>
[QUOTE="Insider, post: 2321221, member: 24314"]The usual usage of the word refers to parallel grooves; however, I have used the term to refer to parallel incuse grooves, and parallel flat or raised characteristics on a coin's surface. In geology class we used the term to describe layers of material. So, a coin with a parallel alloy streak impurity could be called striated; but that is a stretch. The parallel grooves on the gold dollar are "actual" striae. Now, explain how post mint roller damage can occur w/o making the coin flat? That is not the answer. The only things that can make these marks is PM scratch damage or Pre-strike planchet "damage." Now think about why the grooves are both into the field and on top of the relief design? When the light bulb goes off, you'll know more than many collectors about these marks.[/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
>
US Coins Forum
>
1921 Peace Dollar grading
>
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...