Cooke PORTRAIT Anastigmat 10 1/2" (267 mm) f/4.5 large format lens. Serial # 147591. Made by Taylor & Hobson in England. Series-IIC. Covers 6 1/2 x 8 1/2" with movements and could  be nice PORTRAIT lens for 4x5", 5x7" and 6 1/2 x 8 1/2" view / studio cameras.  NON coated glass. Manual aperture from f/4.5 -  f/16. Front filter diameter is about 72mm. Rear lens filter diameter is about 65mm. Original retaining ring is approx.90mm diameter. Requires 4x4" or larger lens board. Lens is approx.3.25" long. Weight is approx. 2.5 lb. Lens is in Ex or 8 out of 10 cosmetic condition. Average vintage condition with some marks, and paint wear around on the barrel from use over the years. Nice clear optics that have been cleaned. Smooth working lens aperture. Original aluminum retaining ring. Classic  telephoto / portrait / soft focus "vintage" brass lens for your 4x5", 5x7", or 6x8" camera. Sells with NO RESERVE at a price of $1325. I have LOT more interesting Cooke and Dallmeyer Brass Lenses, Portrait and Soft Focus lenses, Verito lenses, Kodak Ektar lenses, Large Format Lenses, Vintage and Collectibles. More great buys on my other Auctions, eBay Store and web page.