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1946 Gold plated Milord & 1941 Nickel plated Ranger Tech. Both are no notch design. Milord w/endcaps Ranger Tech none Milord smooth lower band, Ranger Tech "PAT" markings on the band. The Milord Mfg 1940 as "Milord Tech" then as "Milord" in 1946 & 1947. Ranger Tech also Mfg in 1946 w/end caps.