Brass 2.5 gal. Foam Kontrol Stempel Fire Extinguisher

Brass 2.5 gallon foam type fire extinguisherKontrol brand from Stempel fire extinguisher MFG CO of St. Louis back riveted original hose Original patina including red background on the "For fire" notice Glass insert liner is missing. but otherwise is exactly as I found it 10 years ago. Have found two like this for sale or auction 1 in delapidated condition, 1 highly polished (no patina) Of course this unit is empty and non-functional t is no chemical content at all