Jeff Beck

This is a partial list of the manufacturer of model yachts. In many cases the model yachts are a peripheral product or diversification of their product lines.

This is a list that gives a description of the boat or toy, a condition number, and a value for the boat in that condition.

This is a year-to-year listing of the company locations associated with Keystone Manufacturing.

The intent of this article is to research and share the true story of Keystone Manufacturing. 

The story of Keystone Manufacturing begins with three different toy companies and evolves into three separate Keystone companies.

A history of the Jacrim, Keyston, and Seaworthy manufacturing companies.

This is a timeline of boat properties that you can use to figure out the manufacture date of your treasure.