Thanks for the help everyone. My oops though!! I went back and checked it over and the bottom badge said "221-". It seems to not have been used much. The case is in nearly new condition. It has a manual, however missing the front cover and is missing the screws that hold the extension on. The serial is AM697287 which gives a January 29, 1957 birthday. The decals are in mint condition. I already have a 1947 model with no case or manual, but have a zigzagger attachment I found at a thrift shop for it...cheap. So now I am proud to say I have two FW. I bought it!!! Love these little machines and the song they sing as I sew.