What is a Doubled Die ? By Mr. Z

[Brad]

This site has a great description of how doubled dies are made: http://www.bakercoins.net/learn/variety/ddie/index.html

I bought a 1956 D/D rpm 8 from this guy a few months ago. The one pictured here: http://www.lincolncentresource.com/RPMS/1956Drpm8and18.html

[Shingpumps]

Nice info. That's a good link.