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Old November 17, 2012, 09:28 PM   #2
PetahW
Senior Member
 
Join Date: September 19, 2008
Posts: 4,679
Starting in 1973, the year of manufacture may be determined by subtracting the first two digits of the serial number from 2000.

Example: SN 2512345 would have been made in 1975 [2000 - 25 = 1975].


Where the SN begins with 00, 99, 98 or such, subtract from 2100 to get the year.

Example: SN 995460098 would have been made in 2001 [2100-99=2001].


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