Is this wrench identifiable? Does it have any value? What was it made for? I saw it in a shop and took a photo. I don't think there were any markings but maybe a "C".
Thanks for looking
Al
(https://i.postimg.cc/F1XrpS05/Unknown-Jaree-s-Shop-01.jpg) (https://postimages.org/)
I think a welding tank wrench
+1
+2
+3... the square hole is a sure giveaway, used on the older style acetylene tank valve stem.
Joe B