Portrait of a lady, half-length, in a white dress and plumed hat, a seascape beyond

Attributed to John Raphael Smith Derby 1752-1812 Doncaster Portrait of a lady, half-length, in a white dress and plumed hat, a seascape beyond oil on canvas 30 1/8 x 25¼ in. 76.5 x 64.1 cm.