Does the length of the short end divided by the length of the attached leg equal the length of the attached leg divided by the long end?
Looks like a square. If it wasn't a square I think I'd still use it as a square

Is it a square with a handle?
Forge welded...great stuff
BTW, referring to the new photo, who is the lady in the hat on the left of the T and who is the bloke on the right, scratching his chin. Spooky