For Sale is a Color Print entitled "A Difficult Sum" signed by Canadian Artist Shirley Deaville, signature is not authenticated. 

This is a framed color reprint with standard frame and double matted.  Frame measures 

12 1/4" W X 15" H and print measures 5 1/4" W X 6 7/8" H (all measurements are approximate). 

Features a schoolteacher showing a schoolchild math equations on a chalkboard.  Hung in a school teachers classroom.  Coming out of an estate.  Colors seem clear.  No obvious damage, signed by the artist in what appears to be pencil. 

Kept in a non smoking environment. 

Ships Media/Ground Advantage/Economy.