Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
Ancient Coins
>
Athena and Owl Tetradrachm for review
>
Reply to Thread
Message:
<p>[QUOTE="robinjojo, post: 13960419, member: 110226"]I'm not sure what the typical hammer length is, having never seen one. I would guess that the hammer length had to be an optimal one to assure enough force, while at the same time assuring reasonable accuracy.</p><p><br /></p><p>Here are a pair of Roman dies. The die with the extension is what I call the hammer die, that is, it receives the force of the blow, transferring pressure to the the flan. The coin below, the final product, shows a concave surface on the reverse, SC die, and somewhat less of a concave surface for the obverse side. This is typical of hammer struck ancients, and even more modern coins, such as the Spanish "cobs" of the 16th-18th centuries.</p><p><br /></p><p><img src="https://www.forumancientcoins.com/numiswiki/images/AugustusDupondiusDie.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="robinjojo, post: 13960419, member: 110226"]I'm not sure what the typical hammer length is, having never seen one. I would guess that the hammer length had to be an optimal one to assure enough force, while at the same time assuring reasonable accuracy. Here are a pair of Roman dies. The die with the extension is what I call the hammer die, that is, it receives the force of the blow, transferring pressure to the the flan. The coin below, the final product, shows a concave surface on the reverse, SC die, and somewhat less of a concave surface for the obverse side. This is typical of hammer struck ancients, and even more modern coins, such as the Spanish "cobs" of the 16th-18th centuries. [IMG]https://www.forumancientcoins.com/numiswiki/images/AugustusDupondiusDie.jpg[/IMG][/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
>
Ancient Coins
>
Athena and Owl Tetradrachm for review
>
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...