It all depends . . .
Is it in a plastic or a wood case?
Is it in poor, good, or excellent condition?
Is it portable or mounted in a sewing desk?
The 66 is not rare, or anything like that, and it is not a really popular machine.
I would say $50 for a portable in decent shape, and up to $150 for a desk-mounted machine in decent condition. I would ask $250, which is ridiculous, but some people who don't know Singers might pay that if the machine is in really good condition and sews very well.
There is not a model 14814220 for the Kenmore Vintage Sewing machine; this number is the part number.
What is the vaule for a singer model 27 sewing machine in fair condition.
23x11847 franklin rotary sewing machine oct. 25,1927 motor no. c-6616
1958 Singer ?
I just purchased this model sewing machine for AU$100 (01/05/13)
About £6,000
Google the make and model number
G4781906
The singer sewing machine with a serial number AD588457 was 1933, model 15. Made in Elizabeth, NJ.
The Singer portable line are good, but don't expect to get the quality of a full sewing machine in a portable model.
66-14
The Classic Singer 201-2 Vintage Sewing Machine is one of the oldest sewing machines. This model is simply a Singer 201-2 with an added knee lifter for the presser foot. which was mounted in a commercial table. There aren't very many sewing machines mounted to the tables themselves but the presser foot.