I couldn't help it I bougt it!
Made in USA serial number AJ806160 is a Centennial model!!!! and works fine.
I don't get de user manual but a lot of feets, one bobbin and the holder . I'm thrilled!
The case is worst but the machine is well and shinny I think i've make a good deal.
http://www.singer-featherweight.com/...ials_main.html
Thank you for your advices, I've checked all of them in the shop.
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