Giant Folk Art Chessboard from 1800's! Wood Inlaid!

Hello, From Redwood Gospel Thrift Store, $15.00. I think it is very old as wood squares have shrinkage! Large See Simon! And I pulled out one nail and appears to be old! See nail and chart from internet! Wood squares are inlaid! Simon Sez! "I want to be Inlaid at night!" hmmmm! Has carved North, South, East, and West, and little other carvings, Sun and river and? Any information appreciated! toracheckmateCAT!!!