Ivory, beautiful golden-yellow to amber-coloured patina. One-piece, round, slightly curved. On the upper side in strong, recessed relief with heavily darkly accentuated details three frogs, one holding a leaf-shaped bat in its front paw, on verso two other frogs, one about to leap, the smaller one seated craning its neck. ? 4cm. Signed: Kosai, cf. MCI p. 389, depicting a frog Netsuke by this artist, but without further information. Condition A.
Please note that objects made of ivory, rhinoceros horn and turtle shell, due to Cites regulations can only be sold within the European Community. At present the export in third countries is prohibited.