A set of three German low alloy silver wine-coasters

A set of three German low alloy silver wine-coasters
Mark of L. Wagner & Sons, Berlin, circa 1850-60
Each of circular shape, the rim moulded with leaves and acorns, each applied with the coat-of-arms of Mecklenburg-Strelitz, marked on the standrings
18.5 cm. diam., wood bases (3)