Thought it was a door knob.

[Mailman1960]

Got a few nice ones the last couple days, the one on the top perfume bottle is a Marshall Fields it's a pretty good one for the Chicago area. I believe that's a stopper , any ideas what bottle it goes to.

 

[Dogo]

My guess would be a large Apothecary jar, maybe for some kind of tablets. It seems too wide for liquids.