Help me identify this all brass black powder cartridge case

[philthephlier]

32 MM diameter at the top or 1-1/4"
34.5 MM diameter rim or 1-3/4"
about 2-3/4" long

[Grapeshot]

It might be a brass shot cup for liquor. I say this because of the logo on the side.

[philthephlier]

What was it originally? Anybody know?

[Markopolo]

it is a vintage bar shot cup. my dad had some... made for that only, and never intended for any gun.