Quality 'Cooke Ivotal Anastigmat' 0.5in F/1.4. Lens By Taylor, Taylor & Hobson

Quality 'Cooke Ivotal Anastvery minorigmat' 0.5in F/1.4. Lens By Taylor, Taylor & Hobson. A top quality 'Cooke Ivotal Anastigmat' 0.5in F/1.4. lens by English maker 'Taylor, Taylor & Hobson'. I think it may be from the mid 1950's?.