I received a 1939 Singer Model 99 from my grandma several years ago. It is in good working condition, however, I am not a sewer! It is in a wooden sewing cabinet that is also in good condition. I want to sell my machine, but am unable to find out what the value may be. Can anyone give me an estimate? I realize there are several factors which play into this, but I'm just trying to get a close estimate. I have all the parts, extra parts, and the original owners manual. Model number is AF308664, made in Simenico USA. Any help is greatly appreciated! Thanks

what is the value of my 1939 singer sewing machine