Quoting the seller: "Norton International Model 40, racing specification, delivered in 1932 to Hans Soenius from Cologne. He then was the best the best German road racer and he raced the bike in 1932 and 1933 before he joined NSU as a works rider. Matching frame (46538) and engine numbers (1594). The frame was modified to rear suspension at one point. The black and white photo above shows Hans Soenius on this Inter in 1933. Priced at 15.700 GBP"
and another one from the same seller: "Norton International, Model 40, engine no.1596, sold in 1932 to C.J.Hands from Birmingham in racing specification. The frame is not original and probably left the works part of a CJ, CS1 or ES2. The girder fork is correct for 1932. Front brake with cooling rings, drum is original. Priced at 12.400 GBP"
Both bikes are in the Czech Republic.