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Unknown Tapered Pin Made by Bob Streicher
By Tom Lawton 

I'm pretty sure that's the punch end of an automatic centre
punch, but not quite the same pattern as illustrated at

  https://en.m.wikipedia.org/wiki/Automatic_center_punch 

Tom Lawton

(Message sent Tue, 13 Oct 2015 06:54:43 -0600 , from time zone -0600.)

Key Words in Subject:  Bob, Made, Pin, Streicher, Tapered, Unknown