That's been around for quite a while. I have it on my coffee mug that I don't let anyone drink out of.

Try contacting Mike Essl (essl@cooper.edu), the current currator an the The Herb Lubalin Study Center of Design and Typography.

I probably have the dates in one of my annuals at home, but I'm in my office right now.

looks like somthing by Doyald Young…

We are actually Mike Essl's students. So far we got it narrowed to the 70's... But no one got the right year...

Tom Carnase's files are at the Cary Collection at RIT, but the archive has not yet been processed.