It is a Model 1886 Sporting Rifle. The serail number you listed is one digit too many (Winchester only manufactured 160,000 Model 1886 rifles and carbines total). The "1884" date you found is the patent date assigned to the inventor John M. Browning.
Yes they did. I have one that has a hex barrel and is a lever action.
AFAIK, there is no Winchester Model 90A. Is it a lever action, slide action, bot action, semi-auto or single shot? What caliber? What type and length of barrel?
100-1000 USD and up depending on specifics
If that barrel is less than 16 inches long and you are in the US, you have an illegal firearm.
You have a Winchester Model 1885 that was manufactured circa 1892.
Lever action rifle
The first lever action rifle by Winchester was the Henry rifle.It was produced from 1860-1866.
A lever action rifle.
About $600.
What is the value of a Winchester model 93 30/30 lever action repeating arms
There was/is no such thing as a 1940's vintage Winchester lever-action .410. Winchester did make a slide-action (pump) .410 shotgun called the Model 42 during the 1940s.
If your Winchester is unfired and still have the original box,it is worth 595.00 dollars.