"COUNTER" CARDS
HUMOROUS

Size: 5-1/4" x 4-15/16"
Date: Undated
Lithographer: Unidentified
Artist: (looks like) AWP

-- both images courtesy of Greg Q. ArBuckle

The image below is an enlargement of a merchant's rubber stamp in the lower right corner on the back of this card. That's a pretty good indication that the card was handed out over-the-counter, rather than included as a package insert.

Reverse(s): The "Four Points" ('8d')