QUOTE(sexauerw @ Jun 2 2008, 03:34 AM) [snapback]628995[/snapback]
It's a Imperial ballpoint in a pattern called "Vintage". I have a ballpoint/pencil set just like that that I inherited from my Mom, and a second set that I picked up on eBay. One set upstairs, one down; for sudoku and crossword puzzles, etc. There were several Imperial series and I don't know which series this pen belongs to. I had thought it was the most recent, the Triumph Imperial, but that was only produced between 1995 and 1998. That doesn't square with your mother's recollection that it is at least 40 years old. And I know my mother had hers for several years and she died in 1996, so that doesn't match up either.
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Bill's right about it being called the Vintage series, which was made in the early 1970's, utilized a clip-actuated advance/retract mechanism and also came in Sterling Silver (our store sold them before I joined it in '78). Pattern is called the "grapevine" series and is deep-etched w/oxidation added to the low points of the pattern to visually bring out the design!
Just sold NOS/unused BP/PCL set w/original stickers on each piece...very striking little set! No FP or RB/FT as far as I can remember.
Best,
DOC