[Verginius Rufus]

Maybe the postal worker was stoned, or hung over. I recall once seeing an incorrect postmark date (I think it was marked "FEB 29" in a year that was not a leap year).

That reminds me...I heard a talk recently by a World War II veteran who will celebrate his 23rd birthday next year. He was born on February 29, 1924.

[WildHighlander57]

http://www.debbieschlussel.com/4428/exclusive-did-next-commander-in-chief-falsify-selective-service-registration-never-actually-register-obamas-draft-registration-raises-serious-questions/

other forms from that era have the “1980” four digit year, not the “80”.

[GregNH]

So he, and everyone else, was stoned from Jan 1 1980 when they changed the year until the end of July.

[Fantasywriter]

“Maybe the postal worker was stoned, or hung over.”

Maybe the postal worker was a space alien that looked like a cross between a giant tree frog and a centipede.

If we’re doing evidence free speculation, let’s go big and have fun with it.