hi scott,
my sources give the same date, 1897. value will depend on many varibles i.e. condition, model, etc. given the age of this great rifle i'ld suggest a hands-on appraisel done by an insurance adjuster. value could be considerabel....JMHO
Kim
check these out.
http://www.gunsamerica.com/Search/Category/757/2/Guns/
Rifles/Winchester-Rifles-Pre-1899-Lever.htm