Pat Mohan had this to show off at the Ohio Show:
It’s what appears to be a trade card for Sheaffer leads, with an interesting “point” to it:
Yes, I did manage to poke myself twice with the damned thing by the time the show was over. Why would someone embed a sharp tack in a trade card? The answer is on the reverse:
Ahhh. Nice to know how to use it, and nice to know that it was printed in February, 1931, too! As instructed, I selected a Sheaffer Balance – I chose the red dyed one from “This One is to Dye For” (http://leadheadpencils.blogspot.com/2013/01/this-one-is-to-dye-for.html):
I’m remembering my Bugs Bunny: such an eeeenteresting pencil for an eeeenteresting display . .