A great vintage partial page original magazine article entitled: FLASHING LIGHTS SHOW MOVEMENT OF TAXIS..."Sorry, sir, but we are not taking any more orders for cabs." How did the operator know all cabs were busy? The mystery is explained by two sets of electric lights ...at the receiving switchboard... Piece measures approximately: 5 1/2" x 8" (odd-shaped) Condition: EXCELLENT. Certificate of Authenticity is provided showing this piece to be from an original magazine (not a copy).