FWIW:
I love the "Black Gold" on my 1996 39A..
I had bought it to go on one of my Century Limited's, but when I realized I would have to remove the original rear sight to do so I decided not to use it on the CL, but did put it on my 39A..
It's "purr-fect" on the 39A.
I had to rotate the peep sight counter clockwise three rotations as originally it was impacting roughly 2" low at 25 yards. But after Andy (@Skinner) was kind enough to explain the elevation adjustment process to me (I didn't even know it WAS adjustable) it's poa/poi now....
Removal of the factory rear sight on the 39A is NOT necessary, and I like that. I did have to adjust the elevation of the factory rear sight (at Andy's suggestion) a couple of clicks as in the folded position is was clear of the view from the peep sight, but after each round it would "sit" back up..
Changing the elevation of the rear sight solved the problem..
If you don't mind removal of the rear sight of the CL then the Skinner "Black Gold" peep sight would be a beautiful thing to behold, of top quality manufacture, and a nice addition to a person's CL.
My 2nd CL (bought from the original owner) has an all steel Redfield peep sight (with a higher front sight) and the front sight was removed, leaving an empty wedge slot where the sight was.. I really don't care for the way the top of the barrel "looks" with the empty wedge hole so I'm trying to sweet talk Andy into making me a "filler" wedge for that hole.
Actually I believe the photo on the home page of the Skinner website shows a CL with a Skinner mounted.
Best Wishes,
Jesse