$3,000
100-1000 USD depending on specifics
75-250 USD or so
100 on up depending on specifics
£275 at least
$50-400 depending on condition and Mark.
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.
100-10000 USD or so depending on EXACTLY what you have.
10-1000 USD or more depending on specifics
$250-$400, depending on condition and AUTHENTICITY- there are many coverted #4 rifles being sold. Either know the rifle, or know the dealer.
Less than 100 to over 1000 USD depending on specifics