Germany, Empire; Poland (Upper Silesia). A Civil Engineer's Official Stamp United Republic of the most elite military unit

the most elite military unit of the air force and was named such because it mimicked a circus's logistics by using dedicated railway trains to transport it to forward airfields

as it is tradition to memorize the names of the “Old Eighteen”

overlaid by a silvered German national eagle clutching two oak leaves

A donation badge of the Reichsmütterdienst (Reichs Mothers Service)

Constructed of red and white dyed cotton twill

Germany, Empire; Poland (Upper Silesia). A Civil Engineer's Official Stamp United Republic of the most elite military unitIn 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.