German U-Boat 13th Flotilla cap hat Badge Kriegsmarine WW2 Flottille U-Boot WK.2 'Viking Sailing Boat' NEW Museum Quality & New reproduction of the 13th Flotilla Badge. Brand new condition, quality badge with the Thirteenth Flotilla insignia emblem of the U-Boat Flotillas. Metal enamel painted badge featuring the 'Viking sailing boat' design. no markings on the rear and the correct type of pin. Perfect for Militaria collectors, U-Boot enthusiasts, Kreigsmarine collectors, Military & Navy historians. Makes perfect gift for the military man.