Glazed Crock Vintage 1 1/2 Gallon "RARE" See Description!

I found This crock in a old farm house. I bought in Eastern Pennsylvania. The property dates back to the Civil war. I don't know very much about stoneware or if this is relative to the war at Gettysburg. Look at the pics . I've searched the internet and can't find one close to it. The one picture on the bottom of the crock looks like a stamping . The crock is in EXCELLENT shape.