So, the date code is something like year-week (5-22 being 1955, 22nd week)?
It didn't occur to me that the penciled numbers would also be a date code.
If I get some time later, I can look inside for etched codes.
Phil Nelson
P.S. New is good for me, from a customer standpoint. The last thing I want to buy is the first example (of anything) off the assembly line