This cover from the Norwescon 2 Program Book has an interesting story behind it.
The illustration by Bill Warren depicts a scene from "The Wind Whales of Ishmael" by Norwescon 2's Guest of Honor, Philip Jose Farmer. But the most interesting part is…
Badge for Norwescon 20. Shown alone (in plastic "license plate" holder) and with commemorative ribbon given to those who had attended all Norwescons to date.