Svenska Flygmotor AB, aviation engine manufacturer
Original swedish buttonhole pin.
Svenska Flygmotor was originally Known as Nohab Flygmotor Ab ( Nydqvist & Holm ) Volvo bought the company in 1941 changing name to Svenska Flygmotor. Currently the company is known as Volvo Aero Ab
Material: metal, enamel
Buttonhole pins are usually worn on the specific buttonhole on the collar of the dress jacket, modern jackets do not have this extra feature as other fasteners have replaced the link type.