Der Kampf im Westen hardcover book with 100 stereo photographs and glasses

Hardcover 3D Book (Raumbildalbum), published in 1940 by the ‘Raumbild-Verlag Otto Schönstein K.G.’ from München. The book is covering the campaign on the western front in Holland, Belgium and France. The book is complete with all 100 stereo photographs and the special fold-out metal glasses.