Casemate for 4.7 cm Festung Pak 36 (t), Wn Grande Charrière.
It's a bunkertype 631b. The Scharte has a coverplate that could be hoisted.
Detail of the camouflage in concrete lining up with the seawall.
The ball of the armoured part 770P4 has openings for the pak gun, the Mg and an aiming optics.
Every cover plate of a 770P4 has a number.
Today it's a public bathroom.