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Mike HIt does give info on the evolution of balls, shows photos of some non-pro balls, and there is a section on the history of manufacturers. However, there is no pricing for non-pro balls or boxes and very little dating information for specific models of store models. It lists values for lemon peels, belt balls, and very detailed info on major league balls. This is/was the first effort, and like the glove guides, will hopefully evolve over time and become more comprehensive.