Stoneware Stopper, Cover or what?

[How Lucky]

Found this piece many years ago on a dig. Always thought it was a stopper. Like to get some other opinions on it.
Thanks....

 

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[Bruce R]

Looks like a clay stopper to me !

 

[unclemac]

demijohn stopper?
https://www.antique-bottles.net/attachments/carboy-clay-stoppers-jpg.213385/

 

[Tony in SC]

Does look like an old jug stopper?

 

[bradyboy]

whats it made of