is there anything wrong, or is it me?

Good evening....i just recently bought this very nice 1926s Lincoln....coin has gorgeous color and strike....However it has, what appears to be a small greenish apot just above liberty...is this verdigris? Or am i just being over the top about something trivial...please excuse the photo.

 

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I'm sorry, but the picture is kind of dark, and I can't detect it.