Doonesbury by Garry Trudeau for January 05, 2000
Transcript:
Mike: "Dear Mike: how come you guys never do any jokes about the post office..." "Post office jokes really crack me up. And what with the new rate increase, a post office joke would be really timely now..." "So could you do one? Yours, Phil." Zonker: Depends what's the postmark on that letter? Mike: Um... June 14, 1973. Zonker: No charge, phil!