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.
100 Norwescon 13 badges were handed out on the last day of Norwescon 12 (April 1st, 1990…yes, April Fools' Day). This was a con in-joke, as in order to correct the numbering after Alternacon, which fell between Norwescons 9 and 10 (and possibly to…