It has 12 blades (1 broken), most marked G W Sheffield, high quality carbon steel and materials, mother of pearl and finely chiseled alpaca scales, in excellent condition, the leaves open and close all ok. Piece of high luxury or very very rare exhibition!! The item "Rare pen knife congress 12 blades george woodhead c.1850 sheffield mop folding" is in sale since Thursday, April 11, 2019. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Vintage Folding Knives\Factory Manufactured". The seller is "premiumantikes" and is located in Chivilcoy, buenos aires. This item can be shipped worldwide.