Doonesbury by Garry Trudeau for April 15, 1979
Jimmy: Good Lord! Not the extraordinarily rare inverted 1918 169 Air Mail! Oh... I've already got one... Woman: How goes retirement, James? Jimmy: Fine, thank you. I'm into stamps now. Woman: Stamps? Postage stamps? Jimmy: Uh-huh. Very relaxing. Right now, I'm collecting Monaco. Woman: Um, Jim, with your term paper due, do you really think you have time for... Jimmy: Hello, Stamp Mart? Hi, Jimmy Thudpucker again. Fine, thank you... Yes, I would... I'd like to order a complete set of mint issues from Monaco. Right... Yes, that's a charge. Fine. Thank you. Bye. Woman: Good work. Jimmy: That was fun. Think I'll do the Netherlands now.