Netherlands, Kingdom. A Navy Long Service Medal, Dutch Royal Navy Long Service Medal, Gold Grade, C.1950 certificate_of_authenticity where it was noted that

where it was noted that one of his brothers had been killed a year earlier

and was likely grounds for the award of his Civil OBE and probably for secretive work carried out after his duties as an Intelligence Officer

writing correspondence

On the back there is an indecipherable name

Netherlands, Kingdom. A Navy Long Service Medal, Dutch Royal Navy Long Service Medal, Gold Grade, C.1950 certificate_of_authenticity where it was noted that(Koninklijke Marine Medaille voor Trouwe Dienst). Instituted in 1845. Reduced Version, In bronze gilt, cypher of Queen Juliana on the reverse, measuring 27 mm in diameter, scattered gilt wear, original ribbon, near extremely fine. Footnote: The Dutch Royal Navy Long Service Medal was issued in three grades: Gold, Silver and Bronze.