Machine Made Glass Marbles - Early 1900's to 1970
Clay marbles were the earliest type of marbles made in the United States. However, with the advent of marble machines in the early 1900's glass marbles were able to be mass produced at up to 1 million marbles per day in some factories.
These remain one of the most popular of collectible marbles. There are hundreds of color combinations and styles and only a few can be shown here but you will get an idea of some of the most common styles they produced as well as some of the most collectible and valuable.
The list below is in the order of companies that produced marbles that are the most valuable and collectible marbles today.
This category covers companies such as Ravenswood, Champion, Alley, Alox, Cairo & Heaton.
