Delightful novelty leporello (accordion fold) postcard depicting a young boy seen from behind, carrying an oversized green Rucksack (backpack) and walking with a flowering hiking stick. Colorful illustrated front with the verse: 'In dem Rucksack wohl versteckt, trage ich was Freude weckt, schau hinein, welch ein Genuss aus Berlin ist's ein Ansichtsgrus' ('Hidden well in the backpack, I carry what awakens joy; look inside, what a pleasure — from Berlin it's a picture greeting'). The backpack opens to reveal a long accordion-fold strip of 10 miniature black-and-white photographic views of Berlin landmarks: Nollendorf-Platz, Unter den Linden/Kranzlerecke, Reichstagsgebaude u. Siegessaule, Schloss u. Schlossbrucke, Dom u. Friedrichsbrucke, Potsdamerplatz mit neuem Verkehrsturm (traffic tower built 1924), Pariser Platz u. Brandenburger Tor, Bahnhof Friedrichstrasse, Rotes Rathaus, Gendarmenmarkt m. Schauspielhaus. Posted from Berlin SW to Master Herbert Chaffin, 19 Lyon Street, Batavia, NY, USA. 15-pfennig Hindenburg stamp (red, issued 1928). Publisher catalog no. NG. 326.