Big shell. What model ? Russian , CZ , German , Who knows ?

[kz11gr]

Hello

Video From Facebook of an heavy artillery shell, found in a swamp , base fuze,

295K views · 2.7K reactions | Será que é uma bomba da segunda guerra desativada? | Pesca magnética

Será que é uma bomba da segunda guerra desativada?.

www.facebook.com

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[MINENAZ16]

Looks like a fired 15cm concrete piercing shell (balistic cap is missing)

 

[LEAFLET]

Maybe it's a bit bigger MINENAZ16, maybe 21 cm
LEAFLET

 

[MINENAZ16]

Maybe it's a bit bigger MINENAZ16, maybe 21 cm
LEAFLET

Compared to the size of fuze, yes 21cm.

 

[strakv]

It is definitely 21cm. The fuze of the 15cm CP has the setting screw in the middle and has an aluminum ring around it.
Photo from 1939-45 Collectibles Ammunition