Front of button is orange with black print. Words "International Retina Congress" appear along top of front in black. Symbol similar to the letter "X" appears in the middle of front, with the word "Iowa" overlapping it, and a small dot appearing just to the left of the "I" in "Iowa", all in black. "October 4-6, 1979" is written along bottom of front, in black. Back of button is silver, with "Made in U. S. A." stamped into it, and a pin to attach button to clothes. Color: OR,BK,SL