Forum des Musikinstrumenten-Museums Markneukirchen

Hello, I'm offered an violin with the mark 'Aug.Clemens Gier Markneukirchen' on the label inside. The seller of this violin is unable to give a date of or serialnumber (Not on label) Who is this Aug.Clemens Gier? Was/is he a studio violinmaker or just a dealer (Kleinhändler) from Markneukirchen? Do...