Large Pair of early 19th. century Grand Tour bronze Tazzas

A fine and rare decorative pair of Grand Tour Bronze Tazzas of large scale on Sienna marble plints .
The handles , which attach to the underside of the bowls are leaf-moulded and employ scroll work that finished in Serpent heads .
The bases are in quality vivid yellow Sienna marble .
Very nice smooth patina and good condition .