465 pages in German. Main text printed in double columns. Original silvered tin locket, "Conversations Lexicon. 175000 worte" on front, and 'DRGM' (Deutsches Reichs-Gebrauchsmuster) design patent stamp on back. 2nd edition. Loop on top of tin. Gatherings slightly sprung. Tin tarnished and original silvering worn away. 33 x 25 mm. Original red calf. Spine missing, covers creased and edges worn. Bondy, 101. Spielmann, 445. Welsh, 6136. OCLC, 869823913. WorldCat locates ten copies worldwide. Marketed as the smallest printed encyclopedia in the world.