Have a few pics i took the last couple days. Interested to hear some feedback about these possible DD's. The 69 penny looks like a die chip ? Thanks for looking !!
Your first three coins have flat shelf-like doubling that was most likely caused by Push Doubling which comes under the heading of Mechanical Doubling. Most just call it MD and not a specific type of MD. There are three type of MD. http://www.error-ref.com/machine-doubling/ http://www.error-ref.com/die-deterioration-doubling/
