One other thing to add. Sometimes bike are produced slightly different than the initial advertisement. Many times when a mini bike, toy, or even a car are first introduced they use a prototype in the first ads. They can have slight differences on the production model. Plus who knows if there has been modifications to a bike throughout the years. The General Appliance bike brochures don't show a brake on the left rear wheel. Most likely to showcase the wheels but non the less the bike would be different when you got it than what you first saw in the brochure.
"mountain man george" had a good example of that bike about a year ago, I tried to search but I don't think the picture ever got linked/saved onto the server. it still had the big/little wheel combo and braced fenders etc... dont see much of the early ones except for the blurry small print adds.
The axle tabs on the brochure bike are not the same as the yellow bike either nor is the fender notched for the chain or have support brackets. Also has no sign of a scrub brake and the rear fender mount is tubing, but the bike could have been modified and refitted with new things over the years. The rest looks exactly the same, especially the forks and handlebars. :shrug: