B66-69 DOUBLE BEVEL. Witter Patent. Patented by Frank Witter of Canterbury, CT, on 2/22/87 and manufactured in NYC, has very faint patent date and consists of distinctive brass and rosewood body with knurled brass rounded ends, two nickel plated blades in which the second blade folds entirely into the backside of the body. Rosewood has wear but no damage, stamped with US and Canada patent information. Some light surface corrosion, particularly on the outside of the second blade. From the collection of Steve Dice. Good 150-300