Melt chocolate in top of double boiler over hot (not boiling) water.
Remove from heat.
Stir in 1/2 cup sugar, corn syrup and brandy.
Blend in wafer crumbs and nuts.
Chill until firm enough to form into balls.
Shape into 1-inch balls.
Roll in fine sugar.
Let ripen in covered container 2Ã¢â‚¬â€3 days.
Makes about 4 1/2 dozen.