Two luminaries in the field that contributed to its long popularity were Castellani and Guillano.
Luckily for us mortals, there are stellar examples that don't always command 5 to 6 figure price tags.
One such is this awe-inspiring brooch utilizing the ram's head at one side, and a spiral of and circular wheel at the other.
Well over 120 different orbs or bits of twisted gold elements were adhered to the surface of this marvel. The surface resembles a tapestry of lights and darks, forms, and recesses for an unbelievably rich brooch in 18k gold.
Circa 1860, an Etruscan revival Victorian treasure.