You appear to have a matching early 98, and as another has said, if you want to destroy the value, then scope it. I myself suffer from aging eyes but that doesnt make me want to drill and tap an original Sharpes rifle. I just settle on the fact I can no longer shoot 1" groups at 100 yards and am satisfied with 3" groups at 50 yards. Once ANY alteration is made it can never be undone. Fewer and fewer of these unaltered guns are around anymore. Not only will the reciever be drilled and tapped, but the bolt handle will have to be ground, replaced or bent and the safety changed. The is however a solution I believe. Somebody is manufacturing a scope mount that relaces the rear sight without damage. The scope will then be a long eye relief "scout" type. This will eliminate the need for bolt or safety alteration, and the scope base can be easily removed and the rear site replaced with no alterations.