Mid century Whiting and Davis intaglio cameo set

Mid century Whiting and Davis intaglio cameo set, gorgeous detailed etched glass cameo, gold plated filigree setting, large brooch has safety back, earrings are clip on style and will come on card as shown, marked “Whiting & Davis Co” and marked with the patent number(dating 1874), the set is in excellent condition, brooch 2 1/4”x1 7/8”, earrings 1 1/8”x7/8”. 50s era. 4550