O.J. Childs Co antique collectible copper fire extinguisher.The information on the attached plates reads as follows: (see pics) Tested under supervision of Underwriters Laboratories Inc, No. 13558. W. S. Nott Co Sales agents Minneapolis Minn. Excellent unrestored condition. Small flat spot on bottom rim. Rare copper rivet construction, all rivets intact. Original rubber hose still intact with plastic end. Please email with any questions.