Funfundzwanzig Jahre Zeppelin-luftschiffbau by DURR Dr-Ing E H L (1925)

German language hardcover in Good (G) condition. Cover bowed and shows definite wear. Potential ex-library book. Page with portrait has been cut out, appears to have been framed at some point. All other pages clean and straight. Title page has some unusual stamps. See pictures for more details.  Loosely translates to: Twenty-Five Years of Zeppelin Airship Construction. Rare!