Road and racing motorcycles co-mingled on the lawn but were in separate classes for judging. Talk about variety and rarity: Besides the well-known Harley-Davidson, Indian, Henderson, Excelsior and Crocker marques, how many of the following names could you drop at a cocktail party: Flying Merkel, Reading, Sears (as in Roebuck), Iver Johnson, Ace, Thor, Pierce-Arrow and Yale. Got four or more? You’re an expert. This collection of brands is the equivalent of a museum’s special exhibition in which works of art are selected, brought together and the whole becomes more than the sum of the parts.