American. 1950s. TWO (2) machines and two carrying cases (14.5� x 8.25� x 11.5�H) manufactured by the Singer Sewing Machine Manufacturing Co. between 1933 and 1968. The Model 221 is constructed of aluminum and weighs approximately 11 pounds. It is a lockstitch machine that sews forward and reverse. Although the Model 221 is not rare, it is highly sought after by both collectors and quilters. The serial number EH634547 (1951-53) is condition 8. The serial number EG076074 (1950-51) which bears the Centennial Badge is condition 4. Est. $400-600. Carl Koenig Collection. CODE-SEW