1947 (first year 1940 style) with un-notched center bar, wings, and flat end caps. Blade tray marking: "PAT.NOS.ON PACKAGE". Marking bottom blade tray upper left side "REG.US" right upper"PAT.OFF." on lower left side "Gillette" Diamond logo and on the lower right "MADE IN U.S.A." 54.6 g / 1.92 oz.
