The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
The reason your search didn't go well is because the S is a 5, they are 5200 series knives. First released in 1984 and featured artwork from Gary Harbour, well known Scrimshander. His work can still be found on the net. He did a lot of Scrimshaw pieces for Kershaw on the bone handled knives in the eighties. The 5200 series had AUS6 blades.OP: Saw them for sale on EB. Assume you're the guy who bought them.
Did variety of word searches and found absolutely nothing about the S200CE/SS series. Did find pics of some other "color etched" Kershaws but no details.
You might try contacting Kershaw to see if they have any info about them.
Good luck!