Two Victorian silver tennis brooches, with registration diamond mark of 1880 one brooch with cross racquets across a tennis net and the other brooch o

Two Victorian silver tennis brooches, with registration diamond mark of 1880 one brooch with cross racquets across a tennis net and the other brooch of a tennis net, total weight: 16 gms, 3 x 4 cm, minor surface wear, nets intact