Man, I just KNEW someone was going to ask!
I don't have a ton of information on these sleeves, but here's what I DO know.
There were at least two sleeves used in 1969 (possibly a 3rd but I can't verify that).
The first design sleeve (see top two pictures - front and rear) was used at the start of production and had the "GUIDE TO THE NEW GM IGNITION LOCK SYSTEM" written on the back of the card, with the front of the card having the actual starting instructions. The date on this sleeve was 7-9-68.
The second design sleeve (see bottom two pictures - front and rear) was used starting approx October, 1968, and had the "GUIDE TO THE NEW GM IGNITION LOCK SYSTEM" written on the front of the card with the back of the card having the "ENGINE STARTING PROCEDURES".
There were different part numbers for these sleeves, depending on what vehicle they were going in, so the AIM only references the "Chart". The pictures I've included are only references and may not be the exact part number for the Camaro application.
Ed