A quantity of Dutch silver flatware

Hanoverian pattern, 6 table spoons and table forks, mainly Jan van der Broek, Amsterdam, 1857-1860-1863; 3 table spoons and table forks,  Roelof Helweg Sr., Amsterdam, 1827/8; 4 dessert forks, Christofle; 4 dessert spoons and 4 dessert forks, Roelof Helweg, Amsterdam,1857/8; 1 dessert spoon, Fa. C.P. 't Hart, The Hague, 1939; 12 table forks and 12 table spoons, Fa. J.M. van Kempen & Son, Voorschoten, 1862-1883 (54 )