This is a very attractive 80mm British Jaeger 80mph speedo. Quite unusual I think with the silver face and the glass that sits proud of the rim. Maybe ex- English-bodied Type 30 Bugatti?
Circa 1910-1914, Ø 66 mm, 36 mm width, fixing by 3 screws, counterclock wise rotation, nickeled worksPrice excluding taxesEU VAT rate depends on the country where the part will be delivered