From ShaveWiki
Manufacturer: Gillette
Dates in Production: 1960
Type: DE, TTO, Adjustable(1-9)
Weight: 3.1 oz
Description: Has a flip open head design, bottom tip of handle works as a lever to pull tight a metal shaft which runs up the inside of the handle and pulls the head doors closed. inside top: "PAT. NO. ON PKG.", underside: "REG. U.S. PAT. OFF. |"date code with year and quarter" (i.e. F 3 = Third quarter of 1960)| [Gillette diamond] MADE IN U.S.A."
Notes of Interest: Only made in 1960. (Except for a limited release of "D" date code toggles in 1958 prior to the 1960 national distribution)
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