Art Nouveau pocket emptier/Woman with mandolin on vine leaves in spelter

Antique vine leaf shaped coin/pocket tray - decorated with a woman playing a mandolin - art nouveau period. Early 20th century/1920 - made from metal alloys/spelter, gilt bronze patina finish - the female subject appears to be a fairy/nymph with butterfly wings playing a mandolin on a leaf of an aquatic plant/water lily type surrounded by a few stylized frogs. Very beautiful piece finely chiseled with refinement, details and precision - dimensions/width X height 19 X 25 cm. Max thickness 6 cm. Net weight 370 gr. Good condition with a beautiful patina of use.