Because the company underwent several mergers and rebrandings, dating a Naumann machine can be slightly more complex than dating an American Singer. This is why the serial number is your most reliable tool.
Look on the flat base of the machine, often near the right-hand side or under the bobbin winder. naumann sewing machine serial number
It may be stamped onto a small brass or silver plate located on the front right corner or the back of the machine. naumann sewing machine serial number
Most Naumann serial numbers consist of 6 to 8 digits (e.g., 2,107,675 ). Some later models may include a letter prefix like "A" or "KL". 2. Dating Your Machine Using Serial Numbers naumann sewing machine serial number