This appears to be a "relief sculpture" by metalworker Miharu Kobayashi, presented by Kiku-Masamune in 1959 to commemorate its 300th anniversary. It is based on the "Snowy Orangutan" painting by Kano Eitoku. The frame size is 29.5cm tall and 46.5cm wide. The copper plate size is 18cm tall and 34.5cm wide. There are scratches and wear due to age. This item has been stored at home. Thank you for your understanding.