Jugendstil Art Nouveau copper clock. Amsterdam scholl ? German werkstatte ?

Circa 1900 interesting jugenstil art nouveau clock.
Movement inside is german. (pendulum missing but easy to find... we can find for you).
Works fine. Accuracy not tested.
Stunning quality of hand work.
Not an industrial piece but probably unique.
Amsterdam school ? or German work ?
Stoffels ? Eisenloeffel ?
17cm 12cm 31.5cm high