Lightly attempted cleaning, merely to see the picture, to little or no success:
The Picture: 
Now it reminds me a bit of "The Gleaning" by Millet - the haystacks as why. The Signature - visible once I cleaned -
'
Now - I can't make heads or tails of it.
The painting, Oil on Panel, mid to late 1800's guessing, found? Dunno, where I find stuff. 12" X 6". Know who it's by? Have the provenance? Let me know...