Czech or German School around 1730 Lot n° 44

Scene with Johannes Nepomuk (1350-1393, canonized 1729) preaching in a palace with emperor, soldiers and court members, in the background a court yard with palace architecture and several monarch statues and frescos in the interior, iscribed mid left "B. Joannes Nepomucenus irati Regis jufsncoamuvivum afsan dahn imerolorando liberatuit"(?), as well possibly signed and dated on the front large column "...done fecit a Dresde 1729". In the center Austrian(?) coat of arms with small inscription. Oil on brass plaque. Signs of age, small old restorations in the area of the borders. 20X28cm