Tank crew armored goggles France 1940

Extremely rare Type B-LU 1937 'Balland Luchaire Model 1937' armored goggles. Frame in matte khaki painted metal, light brown leather linings. Cross-shaped vision slits with original armored lenses that have yellowed with age. Light khaki cotton canvas strap with anodized metal buckle. Metal springs in the elastic section. A very fine pair, lightly worn but in perfect condition. Impossible to upgrade. Rare equipment of the armored cavalry. This model of goggles was also issued to lookouts on the Maginot Line in 1939/40.