1953/54 Nickel plated all Brass. Same razor sold w/Anniversary Set "52A" (2 models) all Aluminum. Blade tray markings: "BRIT.PAT. 694093". Underside left "Diamond logo", right "MADE IN ENGLAND". Razor w/pointed end caps & "Gap" above TTO. Renowned as very smooth. Retail $1.29. Razor 70 gr. 2.46 oz.