2 vintage cataphote cat's eye reflector pair stamped

2 vintage Cataphote glass reflector • measures approx 3/4" wide x 1" high • encased in metal patinated holder • Cataphotes, more commonly known as “cat’s eyes,” are a type of retroflective bead used in street signs to increase visibility without causing light pollution or disruption • stamped patent pending - SIGNAL - then a number - inside an octagon • any lines or bubbles are part of how the glass was made • attachment pieces