"This is a modern print made from an original negative. The negative was part of a collection of memorabilia I purchased. The material showed that the owner was a motorcycle enthusiast in the Oakland, California area, and most of the material dated from 1919 and later. There was some Harley-Davidson material in the collection, so it is possible that the bikes in the photo are Harleys. I am not an expert however, so will need some help in identifying them." Source: http://www.flickr.com/photos/bobswanson/295966977/