Double Sided Antique Pennsylvania Slate Painting: Summer + Winter, Signed AC EylerOld paintings on school slates are certainly make do," creations of sorts, as slates were certainly easier to come by than canvases, and I especially love double sided ones, taking advantage of the nature of the slates themselves. This one seems to have been expressly made to be flipped, offering a snow covered landscape with church for the winter and a leafy tree flanked cottage by the water for summer. I especially love the blue sky over black