A Finish Air Gunner & Radio Operator To Flight Regiment 4 certificate_of_authenticity a class of three submarines

a class of three submarines that mounted a twelve inch gun

1st Class - for nursing and medical services

inside the circlet the numerals “37”

centre enameled

the latter cross without a ribbon

A Finish Air Gunner & Radio Operator To Flight Regiment 4 certificate_of_authenticity a class of three submarinesA Finish Air Gunner & Radio Operator to Flight Regiment 4 WWII period issue, in die stamped silvered non magnetic metal, center enameled, 38 mm(w) x 50. 8mm (h), retaining wing nut unmarked, of superb quality manufacture and in near mint condition. Very scarce badge in top condition. Accompanied with original document stating After inspecting the proposal of Flight Regiment 4 and necessary study and flight logs I have noted that Corporal Viljo Ensio