What Are My Marbles Worth? is a primer on types and values of clay marbles.

Clay marbles were popular in the 1800s and 1900s.They were popular because they were inexpensive to produce and didn't require any special equipment or knowledge for the production of glass marbles.

Different types of clay were used to make clay marbles.They were not highly valued because they were imperfectly made.

Eye appeal is a factor that affects the value of marbles.Clay marbles don't have the eye appeal of glass, agate or porcelain, so they are less valued.

The value of marbles that are more rare and difficult to find is higher.The clay marbles were referred to as "commons" or "commies" because they were produced so frequently.The value of these clay marbles is reduced by being relatively common.

The value of it is affected by the number of chips and cracks in it.The clay marbles are more susceptible to damage due to being glazed or painted.