2020D cent what happened here? 0

[Mrph12]

Possible strike through

[Coinbuf]

Looks more like linear plating bubbles to me. 

[Greenstang]

I agree

A struck  through would be incuse. Those marks appear raised.

[Mrph12]

 

thanks for feed back good to know.

[RWB]

I'd forgotten how awful the spaghetti-head and other modifications made our coin portraits in the early 2000's.

[Hoghead515]

What exactly causes plating bubbles?  I've seen it a bit. Is it gas trapped under the plating or something of that manner?