1905 Ross RearSutherland Mk I or II sight

1905 Ross Rear sight Sutherland Mk I or II

I'm looking for one of these babies. Any idea what kind of money I'm looking at?

Thanks Gents!

Occasionally on E-Bay, but you will not get much change back from a $100 bill. You might try Elwood Epps, as the gunsmith there is a Ross rifle fan.