The HP67 has the ability to display very interesting words and phrases, including a commercial for Coca-Cola, a poem to former HP programmable calculators and lots more.
There are several regular posters here on the museum forum who have these cards and can make copies for people if anyone is interested.
And, don't forget the HP67/HP97 User Library program scans in PDF form now available at ftp://www.neko.com/HP_Docs/
cheers!
Gene