Horned animal, globe-topped ladder design on its back

between 3000 B.C. and 100 B.C.
black serpentine
25 x 12 mm
Morgan Seal 1097
Provenance: 
Acquired by Pierpont Morgan sometime between 1885 and 1908.
Notes: 

"Since there are no specific parallels for this design, the classification of the cylinder is completely in doubt."--Porada, CANES, p. 155

Summary: 

Horned animal, globe-topped ladder design on its back -- Offering table, under inverted crescent between two globes, before enthroned figure holding crescent(?) staff -- Behind throne, attendant.

Classification: 
Department: