Incredibly Rare Early Norris London 51G Smoothing Plane

INCREDIBLY RARE early Norris of London No. 51G steel based GUNMETAL adjustable parallel sided smoothing plane in very good original condition. Gunmetal lever cap with 51G stamped on it. Stunning rosewood infill with fully enclosed rear handle. 1913 patent adjuster. Good length original thick Norris parallel iron and backing iron with 1 1/2" left to the slot. Overall condition in extremely good. This is only the second example of this particular Norris plane I have ever seen, the only other example was sold in a David Stanley Auction over 20 yers ago that then subsquently appaered for sale on ebay. VERY RARE !!!!!!!!