In contrast, the average current price for a SINGER® 221 Featherweight is $350.00. The rarer, and even more desirable, SINGER® 222K is currently selling for between $800 and $2000.

Where is featherweight serial number?

Serial numbers for Singer Featherweights are located on a raised boss on the underside of the machine. Lay your machine on its back and look on the left hand side of the main body (not the folding extension table).