A friend of mine asked me to clean this up for him, he found it in his barn in the rafters. The bottom is pitted to bad to see what markings were there. I can barely make out the location of markings, they are just above 6 o'clock but not quite in the center of the bottom. Any ideas on maker?
https://imgur.com/a/TwXnC
https://imgur.com/a/TwXnC