Pretty sure it's a lamp/lantern piece, but what part, kind/age?

[Renaebri]

Went out to a piece of city property next to a graveyard, may have been a park according to old maps. This was pretty shallow, nothing on the back but the edges are rolled over.
Managed to straighten it a bit and this is everything it says!

 

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[ticndig]

My guess is the top of a Sterno can.

 

[Renaebri]

Ooh ok, actually while following that idea I found something kinda similar. Obviously not the same, but maybe its a kerosene stove "dial"?
It also has arrows...

(See 3rd image)
https://www.worthpoint.com/worthopedia/antique-circa-1901-edward-miller-lamp-1822601232