The mortar I found 75mm HE shell from WW2 identified as the round taken from the water in Stockholm. Missing the warhead but was called in and bomb squad took it away

Unexploded mortar from Second World War found by hikers in North

Can someone explain what a minie ball is and is this it? There's a

Could WW2 anti-tank guns fire HE-shells like normal guns could, or

Marisa Belhote – Tank Encyclopedia

2 unexploded shells found during Jerusalem light rail construction

Artillery in Canada (5) Ontario: The Canadian War Museum

Mortars : Juno Beach Centre

Windsor WW2 mortar shell detonated - BBC News

WW2 Russian 82mm Inert Mortar Round HE 82 Frag - Sally Antiques