Fragment ,peace from knife ?

[Notsu]

Hi !

What is it ?
How old is it ? ( metal.-Cuprum ,CU ? )

I

 

[mirage83]

With the green on the inside bottom edge its most likely bronze, and as a pure guess I'd venture that's 19th century, maybe a little older. Now what it was (I would guess) screwed to is another question.

 

[Notsu]

Thanks. Date is possible, becouse the item was not deep, - ounly ca 5 cm ))

 

[nkellam22]

Umbrella bit?