Despite the marking, you have a shotgun. Not worth more than 150 USD if that.
There is no way you could have a Model 1904 made in 1894, but you COULD have a Model 1894 made in 1904.
It depends on it's condition, who used it, and model.
Your gun was manufactured in 1904.
Now, in 2009, your 1904 Singer sewing machine would be 105 years old.
Value is for parts only. Try e-gunparts.com
The Sculptor's Jealous Model - 1904 was released on: UK: August 1904 USA: October 1904
Your rifle was made in 1904. Value will be driven by condition- you will need a hands-on appraisal.
The Winchester Model 1904-A was introduced in 1927 and discontinued in 1931. Value is entirely dependent on condition, maxing out around $400 for near perfect.
Impossible to answer without a detailed description including the model, caliber, box, papers, accessories, etc..
Depending on exact condition, the Model 1904 and its variants sell in the $150-$300 range.
No way to determine value without a detailed description of all features and overall condition.
Looking at Winchester models, there is nothing listed for a Model 90 with serial number 298032. They have Model 1890 in a slide action, Model 1900, 1902, and 1904 in a bolt action rifle.