Rare metal fan-shaped covered box

Rare and very refined metal box, decorated with gold and silver hirazogan and takazogan inlays on a black background, pagodas in a mountainous landscape, cottages and bridge near a river in rippling shibuishi. The sides are enhanced with bouquets of flowers, crab and snail. Ryumin's signature is encrusted in a silver metal cartridge. Dimensions: 7,2 x 6 x 2,5 cm.