Looking for a price of white rotary electric sewing machine.book no is 12 no. on machine is 320620.this is still working and is still in wood case

There are some listed for sale that you can find via clicking on the following links that might be similar to the one that you have. Seeing the ads and prices might give you an idea as to the possible monetary value of the one that you have.

1948 electric sewing machine, White brand, model E6354. - Phoenix Antiques For Sale - Kijiji Phoenix, Arizona

White rotary electric sewing machine

antique white rotary electric sewing machine ser 77