"1989"--Last page (when folded).
"Three new Steuben vessels designed by Michael Graves, one of the foremost architects in the world today. They are his first works in glass and were developed during the winter of 1988-1989 when he traveled from his office in Princeton, New Jersey, to our factory in upstate New York."
Gift; Corning Inc.; 2013; 1000134302; 1000134303; 1000135542; 1000135544
CMGL c. 4 (in Steuben archives) includes Steuben marketing information.