A Pratt-type sauce-boat modelled as a duck, enriched in blue, bright ochre and green/brown, circa 1820 -- 6½in. long

細節
A Pratt-type sauce-boat modelled as a duck, enriched in blue, bright ochre and green/brown, circa 1820 -- 6½in. long

C.F. J. & G. LEWIS P.240 FOR A SIMILAR EXAMPLE