@h24, that sure looks like damage to me. One indicator is the "piled up" metal (now partly flattened from wear) just south of this indent. This one is a bit more subtle as there doesn't seem to be a corresponding flat spot on the obv.
"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