1920s Modernist Dutch Bicycle Maps

Burgers Deventer Fietskaart [cycle maps]

Complete set of 11 color lithograph folding bicycle maps, circa 1929, with modernist designs by 'Koekkoek', published by Burgers Deventer, bicycle manufacturer, and printed at Senefelder, Amsterdam, each with an image of a Burgers Deventer bicycle on the back, contained in the the original paper folder, the maps on thin off-white card
Folded 6 x 4 5/8 inches / open 9 3/8 x 6 inches