Correct. It is a Struck Through Grease issue. Here is a side by side of a Struck Through Grease issue on a coin and a weak strike on a coin:

Note the rims on the both coins. Strong rims for a Struck Through Grease error. No rims on a weak, low pressure strike.

Note the rims on the both coins. Strong rims for a Struck Through Grease error. No rims on a weak, low pressure strike.

































