Do you have a vintage singer?
 

Here is a link to Singers new site...I put in my serial number and they sent my by email a cert. of the year my Singer 66 was born. 1910 http://mysingerstory.com/

Thank You, Thank You, Thank You, I hunted and hunted for certification of age on my 1921 Singer. Now I will frame it and hang it near my daily use machine.

I put in my info for the certificate; and the date came up as 1950. I remember when I got my Featherweight a few years back and looked up the serial number for the date; it said 1948. Has anyone else found conflicting dates for theirs?

here is another one if their sites...awesome info http://www.singerco.com/

Very interesting site! Things are not matching up though for me to figure out the date my machine was manufactured. I have a 15-91. When I bought it, the seller indicated it was made in 1951.

According to the link posted by the OP, when I put in my serial #, I am told my machine was made in 1904. Hmmm - way off the date given to me by the seller. So I go to the Singer website. Again, info isn't matching up. My serial # looks to be J0851326 (pictures posted below). Could be JO - but when looking at the serial number charts where 2 letters are used as the prefix - there is only JA through JE (JA - 1924; JB - 1936; JC - 1948; JD - 1951; JE - 1961). Doesn't look like a JD to me (that would match the year I was told the machine was made). If looking at the list for only a single letters as a prefix - still not a match (J1 to J885.839 - 1904; J885.840 - J1.905.204 - 1905).

Am I supposed to ignore the 0 when looking at the serial number? So that it would be J 851.326 (going by the numbering style given in the list with just a 1 letter prefix)? Am I looking at the right thing even, or is there a number on the machine elsewhere?

Also, the machine was made in Canada. Tried googling all of this - but everything leads to these same sites for identifying older singer sewing machines by their serial number.

Can anyone shed any light on this?[ATTACH=CONFIG]306993[/ATTACH][ATTACH=CONFIG]306994[/ATTACH][ATTACH=CONFIG]306995[/ATTACH]

Could it be a "JC" or a "JG"? in the first two letters and not a "0" at all? I sent my serial numbers into the new Singer place and got back some info I don't trust, so I'm still looking. Believe I'll try ISMACS.net. You might want to, also.

I think you have a 1948, because it looks like a "JC" to me.
The badge on the front of the machine. Does it have a blue ring with the dates 1851-1951? That would indicate a Centennial machine. If it's a black ring, or just solid brass, it lends to the 1948 date.
Definately not a 1904 machine, they didn't have the 15-91 then.

Thanks Charlee! It is just a brass ring. The 1948 date is more in line with what the seller told me. And I read on one site that the manufacturing of these machines took time, and the plate with the serial # might have been made early in the process. So by the time the machine was completed, delivered to where ever it was going to be sold, and made its way into the buyers hand - that could take a couple of years (hence the discrepancy some find on when they believe their machine to have been made with when it was actually manufactured). As she told me 1951 - the 1948 date fits more with that logic. Strange C though. I did try cleaning the plate with diluted Dawn, but that line almost seems etched in. It would be an almost enclosed C. Maybe that's how they made C's back then - start with an O or 0 and then put a little dash in it to denote it was a C.

I agree with Charlee that it looks like a C. The Singer site in the OP didn't tell me anything either, although I printed the certificate. I have a Model 15 also. The serial number was released in 1935 in a block of 35000. My father bought the machine new for my mother shortly after they were married in October 1936. How do I tell which version of a model 15 it is?

I have a similar model to yours. Mine is a 15-90 and the model number starts with JC and was made in Canada in 1948..