Germany, Empire; Poland (Upper Silesia). A Civil Engineer's Official Stamp

In brass, compass with crossed hammers above square with gear insignia, the insignia surrounded by the inscription in German "A. EICHENAUER CIVIL=JNGENIEUR, BEUTHEN o/s." in wrong-reading text (A. Eichenauer, Civil Engineer, Beuthen, Oberschlesien (Upper Silesia)), wooden handle, the brass base measuring 30.5 mm in diameter x 17 mm in height, the stamp measuring 74.7 mm in height overall, very light contact, near extremely fine.