Now you stop! You’ve had enough.  Copyright 1910 by Walter W Balmer

No post mark. No address.

Just another of those post cards that apparently appealed to Grandpa Lee’s sense of humor.   The card itself appears to be made of rough cardboard — better suited to be used as an ink blotter than as a post card.  That might explain why it was never used.  In the age of pen and ink (pre-ballpoint) it would have been a real mess.