Italian invasion of Southern France

Fort Chaberton
Armed, IIRC, with 149/35s

That reminds me, we need a thread for fortress, coastal, & RR guns.
I wish I still had my Fortress Europe book. It had some good interior drawings of the mountainside forts along the alpine wall.
There's footage of a captured heavy gun that looks like a Skoda @ 5:06, but I'm not really sure of the gun type or if it was captured: