Combines Vintage of N series by serial n

[John]

The N6 Serial numbers start at 1978-1001, 1979-1501, 1980-2001, 1981-3501, 1982-5101, 1983-6201, 1984-7301, 1985-8801. Hope this helps! John

 

[tbeck]

Thats it! Thanks, John!