Royal Copenhagen 0470 RC Stoat Snarling C.F. Liisberg 1897 13 x 25 cm Signature Arnold Krogh ?

Royal Copenhagen 0470 Stoat Snarling C.F. Liisberg 1897 13 x 25 cm Signature Arnold Krogh ? It is old with support marks and roughness in the glaze - no number but signed as seen in the image - could be a test piece Lækat - Hermelin - Stoat - Mustela - Erminea