Vintage Airguide model 68 boat compass.  In box and in working condition. It doesn't look like it was used.    

For small boats, sailboats and cars.   Easily mounted to surface with a quick release mounting plate for safekeeping.  It is missing the manual. 

• Jeweled movements. 

• Extra 45 degree lubber lines

• Bright metal case protected by non-corrosive polyester coating.  

• Low profile non line fouling design.