WW2 German Kriegsmarine Narvik Shield

WW2 German Kriegsmarine Narvik Shield. The Shield has a Gold finish in good condition, missing one prong to rear, on blue wooden backing.

The Narvik shield was issued from 19th August 1940, and was awarded to all German forces  that fought around Narvik from 9th April to 9th June 1940, a total of 3,661 were awarded to the Kriegsmarine. 
The Gold Narvik shield was issued only to the Navy with a blue backing.