Fine and Rare S Allcock & Co 3” double ventilated Aerial centrepin reel c1923-1934 with twelve large ventilation holes to front and rear drum flanges, both flanges stamped 12, gunmetal backplate with maker’s round logo, registered 689467, nickel silver revolving guide line (see B. Singleton’s ref book p68), smooth brass foot, twin xylonite handles, on/off check, spins forever