Anton Kothgasser - A triangular bowl

porcelain, the body and rosette with wide and narrow gilt edging, copper lustre band, burnished gilt waves on matt gilt stripes and burnished gilt leaf festoons on a white ground, burnished gilt rosette with gilt pearl wreath, Ø 24 cm; Vienna, Imperial Manufactory, underglaze blue Austrian shield, year 1800, Sorgenthal Period, turner B Johann Gmandtner 1772-1831, décor probably by Anton Kothgasser (Ru)