Any help

[Kasone]

Round very dense stone 7 inch diameter 5 lbs

 

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[BeepersPuppy]

I'd sit on it , see if it'd hatch .

LOL
Whats the help you seek , Ideas on what formed it ?

 

[elh]

Round very dense stone 7 inch diameter 5 lbs

Maybe decoration on top of gate post ? The older generations could think up some cool use's for different items.