it is worth £20
No such model made.
The make and model is needed for an answer
Up to $700, depending on condition, rare/unique markings, etc.
I have two
$75
The Model 1911 wasn't a revolver. Are you sure you're not thinking of the Model 1917?
48938
100-3000 or more depending on specifics
I just bought a nice one with scabbard for $75.00, and I would say for one in good condition, it is worth between 55 and 90 dollars.
Bayonet; 10-50 USD
Around $2500