This is a genuine KPM Berlin (Königliche Porzellan-Manufaktur) plate.
Marks (bottom):
Date range: Late 19th to early 20th century (most likely 1880–1915)
Style: Rococo Revival form with raised gold scrollwork, floral reliefs on the border, and soft hand-painted polychrome flowers (pansies, asters, forget-me-nots, etc.). Small central floral spray.
Size: Approximately 9½ – 10 inches diameter.