Yes @vogo, remember that step-like doubling which serves to decrease the width of the device will be
Machine Doubling. This is especially visible on the 9 and 6 in the date on your coin. Also, for whatever reason, md is prevalent on cents of the late 1960s and early 1970s. That isn't to say that there are no doubled dies in this timeframe, but rather you just need to be more wary.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz