Message:

<p>[QUOTE=&quot;Pickin and Grinin, post: 3315698, member: 73995&quot;]This taken from <a href="http://doubleddie.com/58201.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://doubleddie.com/58201.html" rel="nofollow">http://doubleddie.com/58201.html</a></p><p><br /></p><p><br /></p><p>&quot;If it was necessary to have a mint mark on the coins to identify the Mint at which the coins were being produced, the mint mark was the final part of the design added to the working die.&nbsp; A die maker at the Mint used a thin steel rod (punch) that had the appropriate mint mark letter engraved at the one end.&nbsp; Holding the mint mark punch in the appropriate position on the working die he tapped the mint mark punch with a mallet to leave an impression of the mint mark on the working die.&nbsp; It frequently required more than one tap with the mallet to leave a satisfactory impression of the mint mark on the die, and the die maker would repeat the taps with the mallet until the mint mark impression was deemed satisfactory.&quot;</p><p><br /></p><p>I never new that the coins were heat treated again as it says this is the final step.</p><p>Thanks for clearing that up [USER=19165]@physics-fan3.14[/USER]</p><p>It does make sense.[/QUOTE]</p><p><br /></p>

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