This seal is carved with a curviliear design which Evans interpreted as an argonaut. More recently it has been identified as a quadruped. It was probably made on the mainland when seals were no longer being produced on Crete.
Bibliography
Evans, Joan. 1936.
The Palace of Minos at Knossos, Index, p.
183
Myres, John (ed.). 1936.
British Archaeological Discoveries in Greece and
Crete 1886-1936, p. 30
Hughes-Brock, Helen and Boardman, John. 2009. Corpus of Minoan and Mycenaean Seals VI: Oxford, the Ashmolean Museum, no. 478