N1 thru N99999 ran from 1969 to 1972.
That serial number along with 44 caliber leaves four possibilities:
1)2nd Model American (single action). SN's ran from 8000 to 32800 from 1872 to 1874.
2)First Model Russian (aka Model Number 3 Russian 1st Model)(single action). SN's ran from 6000 to 32800 from 1871 to 1874.
3)New Model Number Three (single action). SN's ran from 1 to 35796 from 1878 to 1912.
4).44 Double Action. SN's ran from 1 to 54668 from 1881 to 1913.
Jim