I was cleaning my 1915 Patent Coca Cola bottles when I found one with a mold error. The "9" in the 1915 date more closely resembles a "7" than a "9". There is no loop in the 9 , just a straight line across the top. I can't figure out how to load a photo on this new computer. Just wondering if anyone else has ever seen this before. Hope to get a photo soon. Buster