I am seeking info on the 1921-D Morgan dollars engraved, "6th coin of 1st 100 ever released..." I believe numbers 3-12 were engraved, and I am trying to track them all down! I saw #12 at the ANA. Thank you.

In 1921 then director of the Denver Mint embarked on a plan to engrave the first 100 Morgan Dollars to be minted by his facility. It became readily apparent that there simply was not enough time to complete the task, engraving dollars being much more arduous than expected. The project was stopped after only 12 coins were completed. This coin is number 4 of the twelve...