Germany, Empire; Poland (Upper Silesia). A Civil Engineer's Official Stamp certificate_of_authenticity ” possibly meaning Pionierversuchskompanie (combat

” possibly meaning Pionierversuchskompanie (combat engineer experimental company

with two "Auto Tanku Pulks" (Car Tank Regiment) stamps

addressed and postmarked "1915" on the reverse)

An Italian Medal for Expedition to Albania - Type A

18 Casualty Clearing Station on March 30th

Germany, Empire; Poland (Upper Silesia). A Civil Engineer's Official Stamp certificate_of_authenticity ” possibly meaning Pionierversuchskompanie (combatIn 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.