100-1000 USD depending on specifics
75-250 USD or so
£275 at least
100 on up depending on specifics
$50-400 depending on condition and Mark.
The value of a model 1876 Winchester rifle caliber 4560 would be dependent upon a number of factors. The most important of these factors would be the condition of the rifle.
Winchester made the model 1873 rifle and the model 1876 rifle,but did not make a model 1875 rifle.
The 1853 Enfield was in use in 1861. If you scroll down to the link that says ENFIELD, that will take you to the Wikipedia article on that rifle. Click on the pictures there and they get larger.
$250-$400, depending on condition and AUTHENTICITY- there are many coverted #4 rifles being sold. Either know the rifle, or know the dealer.
$0 to over $1,000 depending on condition, unique markings, what type of rifle it actually is, etc.
100-multiple thousands depending on EXACTLY what it is, history, etc.. Seek a professional's help
The 'E.Y'. rifle was named after Sir Ernest Youlle who invented it, or more accurately, adapted it from the standard Lee-Enfield rifle