A Portuguese silver flatware service

A Portuguese silver flatware service
Shaped oval handles with canted corners, placings for twelve, comprising: table forks, table knives, a serving slice with pierced blade, and a two-piece carving set, with marks for Cirilo José Maz da Silva, Lisbon, circa 1830; the dessert forks and dessert knives, with post 1938 Porto marks, weight excluding knives with steel blades 46oz. (51)