Measures 6 inches wide and about 15  inches long
A give away from Zylstra’s Groceries - Meats - General Merchandise Eastmanville Michigan.   Looks like it might have held a small calendar at the bottom. 
Hand painted windmill scene. 
In good vintage shape
All Items are sold as is.  I try to describe the item to the best of my knowledge, but being only human, I might miss something once in a while. 
June 2022