What is the value of singer featherweight model 221 serial number AL919387?

The value of a Singer Featherweight Model 221 with the serial number AL919387 can vary based on its condition, included accessories, and market demand. Generally, these machines range from $300 to $600, with pristine or fully restored models potentially fetching higher prices. To get an accurate value, consider checking recent sales on platforms like eBay or consulting with vintage sewing machine collectors.