Where are all the Eisenhower dollar proof doubled dies?

By Thomas Kalantzis

For the last ten years I have been collecting Ike dollar doubled dies by die number, I have amassed a very large collection of numbered Ike doubled dies by Ncadd-Wexler, Coneca and FS as well as many un-known or unrecorded doubled dies something over 200 different doubled dies, While doing my searches as time went on I ran into instances where the doubling was not easy to recognize the die number,  die wear as ...