Featured Painting help -- quality?

I think I might have found the artist, not a listed artist, but somewhat accomplished as they had a piece in a governor's mansion and private homes. Nice enough, but nothing super valuable. ...please let me know your thoughts if I have that wrong. (Probably consigning it after I have a new frame.)

Just for general info, when you see a painting on a board like this, does it tell us anything? Are these Grumbacher boards more commonly used by amateurs or are they used at all levels?

I *think* the signature says Gloria McConville.

Thoughts on the overall quality?

Thanks for taking a look.

 

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Looks 1960s/1970s. And, unlikely to be of great value. She's a confident colorist but not terribly sure-handed. (Look how unnatural the tree trunks are depicted. Her reach exceeded her grasp a bit there.) Likely an amateur with some formal art training.

Debora

 

Helpful, Debora. Thanks.