Old 06-02-2012, 06:22 AM
  #4  
Vintage.Singers.NYC
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Join Date: Jan 2012
Location: New York City
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Hi Ani, the "AL-" prefixed machine is the older of the two. Singer didn't start putting model number badges on their domestic machines until the mid-'50s, which coincides with the "AM-" prefixed serial numbers.
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