![Walther Koch, Gebr. Fretz Graph. Workshops, Zug mountain railroad and streetcar, paper, photolithography, Total: Height: 32.6 cm; Width: 19 cm, W. KOCH, product and business advertising (print graphics), landscape with installations, snow, Walther Koch, Gebr. Fretz Graph. Workshops, Zug mountain railroad and streetcar, paper, photolithography, Total: Height: 32.6 cm; Width: 19 cm, W. KOCH, product and business advertising (print graphics), landscape with installations, snow,](https://c8.alamy.com/comp/2DNTMER/walther-koch-gebr-fretz-graph-workshops-zug-mountain-railroad-and-streetcar-paper-photolithography-total-height-326-cm-width-19-cm-w-koch-product-and-business-advertising-print-graphics-landscape-with-installations-snow-winter-mountains-mountains-skis-winter-sports-traffic-and-transportation-streetcar-art-nouveau-2DNTMER.jpg)
Walther Koch, Gebr. Fretz Graph. Workshops, Zug mountain railroad and streetcar, paper, photolithography, Total: Height: 32.6 cm; Width: 19 cm, W. KOCH, product and business advertising (print graphics), landscape with installations, snow,
![File:Exterieur overzicht Lijnbaan 78, winkelpui (Koch) - Rotterdam - 20324013 - RCE.jpg - Wikimedia Commons File:Exterieur overzicht Lijnbaan 78, winkelpui (Koch) - Rotterdam - 20324013 - RCE.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/f3/Exterieur_overzicht_Lijnbaan_78%2C_winkelpui_%28Koch%29_-_Rotterdam_-_20324013_-_RCE.jpg)
File:Exterieur overzicht Lijnbaan 78, winkelpui (Koch) - Rotterdam - 20324013 - RCE.jpg - Wikimedia Commons
![Gebrüder Koch: Diese milliardenschweren Brüder wollen den nächsten US-Präsidenten bestimmen - FOCUS Online Gebrüder Koch: Diese milliardenschweren Brüder wollen den nächsten US-Präsidenten bestimmen - FOCUS Online](https://p6.focus.de/img/fotos/id_4455754/koch-brothers.png?im=Resize%3D%28800%2C505%29&hash=36a86f8d016bef6122da8cd052651acd604f272cd68c2982332e9343d0d93a32)