Referencing Iroquois Brewing Company of Buffalo, New York, USA...

Referencing IBC:  International Breweries Inc, Detroit MI, Buffalo NY, Tampa FL (see photos)...

Hard plastic knob features round bottom (see photos)...

Measures approximately 4 x 2 x 2 inches...

Weighs approximately 1.9 ounces...

Nice vintage condition (see all photos)...

Displayed for decades in a closed cabinet...

Smoke free home...