Gustavus Hamilton (1710?1746), Second Viscount Boyne, in Masquerade Costume, 1730?31, Pastel on paper, laid down on canvas, 22 1/4 x 16 7/8 in. (56. 5 x 42. 9 cm), Pastels & Oil Sketches on Paper, Rosalba Carriera (Italian, Venice 1673?1757 Venice), Gustavus Hamilton (1710?1746), who was Irish, succeeded in 1723 as Viscount Boyne. He and Edward Walpole, the second son of the powerful Whig prime minister Sir Robert Walpole, were in Venice from January to March 1730, enjoying the pleasures of the Carnival season, and Boyne was there again the following winter