Vintage pewter wall hanging plate ( midcentury)

WONDERFUL ORNATE GERMAN PEWTER WALL HANGING PLATE made by WMF Zinn, Germany. Marked on the back with a circle containing WMF Zinn with an angel. Plate is marked on the front UM1665, attribute to Dutch Painter Jan Steen 's 1626-1679 oil painting Parrot cage/ It is very rare to find one all over the world and has potential collectable value . Measurements: Plaque measures 5 3/8 in diameter; Total height is 11.5" (Plaque and Tapestry) Condition is very good