It was a raid on Berlin involving 483 Lancaster and 15 Mosquito planes
(Kriegsmarine Wimpel)
riveted together with dual magnetic metal rivets
and attested to the Canadian Overseas Expeditionary Force (serving in Canada) as 2777360 on the 27th of September 1917
spotting evident on the white enamels on the obverse arms
Germany, Kriegsmarine. An Auxiliary Cruiser War Badge, Late-War Issue, By Schwerin Auction Archive It was a raid on(Kriegsabzeichen fr Hilfskreuzer). Constructed of gilded and silvered zink, the obverse consisting of an oval oak leaf wreath, joined together at the bottom by ribbon, topped by a Kriegsmarine eagle clutching a mobile swastika, around a central depiction of a Viking longship sailing over the Northern Hemisphere, the reverse with a barrel hinge and banjo style pinback meeting a flat wire catch, maker marked SCHWERIN, BERLIN, measuring 43. 84 mm (w) x