Nicolo di Pietro (1340-1414)
Accademia Gallery, Venice
This is an example of a golden cup or bowl functioning as St. Lawrence's attribute. In his left hand is what may be the broken handle mentioned in the miracle of the bowl in the Golden Legend.
As usual, the saint is portrayed tonsured and in a dalmatic.
This image in full resolution
More of St. Lawrence
Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.