Its near the on/off switch on newer machines, and on the front panel or on a small plate on older machines. Once youve found the number, match it to the date in the chart below to discover the age of your machine.

How much do old sewing machines sell for?

As a rule of thumb, more than 90% of antique and vintage Singer sewing machines are worth between $0 and $100. One exception to this rule is some of the early models. These machines can cost thousands of dollars, especially those in good condition.