Antique Green Rounded Lens Wire-Framed Hook-on Sunglasses, Brass? or Worked Silver Framing, Well Used

Rounded Green lens in this pair of wire framed sunglasses, well used with some pits and embedded foreign material, as if they were used in an open buggy or motorcar. There is not so much damage that one could not wear them comfortably to shade one's eyes. The framing on this pair of hook on is worked metal surrounding the glass, but the bridge is plain, appearing to be the same width banding. There are ribbon loops on either side of the frame around the lens, centered between the hooks and the bridge on the outside of the framing. There is no identifying information as to the maker. The glass sits firmly in each side.