Kriegsmarine Rare nazi era double-barrel flare gun ?

[datronic]

Hello,

could/can somebody give me information over my flare gun ?

the markings say:

F.W. Heym

SUHL

247

then a eagle with a M III/3

and there are Two 4 on each barrel

anny information is welcome

and does someboddy knows the vallue?

greets

P.M

[Paul R]

It is a nice looking piece. Can you please give us some close ups of the maker marks, serial numbers, and codes?