Message:

<p>[QUOTE=&quot;Walkers, post: 2523761, member: 80560&quot;]I highly recommend having a good reference source, such as a recent Red Book&nbsp; (&quot;A Guide Book of U.S. Coins&quot;, published annually - you don&#039;t need one every year, but having a recent issue is very useful).</p><p><br /></p><p>Mintmarks were added to all Philadelphia coins EXCEPT the cent sometime in the modern, post-silver era (after 1964), but I did not recall when the change occurred.</p><p><br /></p><p>The Red Book says that &quot;P&quot; mintmarks were added starting in 1980.</p><p><br /></p><p>Your 1966 dime has no mintmark because mintmarks were temporarily discontinued 1965-1967, in response to a circulating coin shortage for which collectors were supposedly blamed - or so I have read.&nbsp; I suspect the coin shortage was caused by the general public massively removing silver coins from circulation as the new clad coinage was introduced.[/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