When was a 1901 Winchester shotgun number 70177 made?

Made in 1910.The serial numbers of the model 1901 started where the model 1887 shotgun left off.the serial number start for this model is 64856.It should be noted that some serial numbers were skipped between 1904-1920.Total production was 13,500 shotguns including the serial numbers skipped.My records indicate that your shotgun was made in 1906.