Message:

<p>[QUOTE=&quot;Ed Snible, post: 4531200, member: 82322&quot;]Correct.</p><p><br /></p><p>To see why, think of the lifetime of a die.&nbsp; Sometimes you will read that a die was good for 20,000 strikings.&nbsp; I have also read that a die was good for 10k strikings, +/- 8k.</p><p><br /></p><p>Next you need a die study to figure out how many specimens exist for a certain die. This is very difficult if there are many survivors (Late Roman bronze, Athenian tetradrachms).&nbsp; You want to find a coin type valuable enough that most of the specimens will be photographed.&nbsp; You study the 10 to 1000 specimens and figure out how many exist for each die.&nbsp; Usually it just a few.&nbsp; Maybe one, maybe 20 examples.</p><p><br /></p><p>If 20 examples of a die are known, and the die was good for 20,000 strikings, 0.1% have survived.[/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