PJS, I would like to know this too. It widens the possibilities of finding good,unmolested ones.(BTW it aint a dumb question!) grin

Re; To remove, you will need to remove your inner garnish moulding,drop your door glass and pull out the felt at the top.
You will see 2 small clutch head screws at the top centre.
Remove these and carefully prise the trim down,it fits over the lip of the door.Watch your paint,they can be tight.
It's difficult to describe but gently work your way round,easing the trim up as you go,be careful at the front as you can kink the trim.
Installation is basically the reverse.

P.S If you find two good sets,keep me in mind!
Hope this helps
Jock thumbs_up

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.