There are zero security features on the CDC card. I don't understand why anyone would pay money for something that can be printed off the internet for free. (Or maybe I do.)
"No one in this world, so far as I know—and I have researched the records for years, and employed agents to help me—has ever lost money by underestimating the intelligence of the great masses of the plain people. Nor has anyone ever lost public office thereby.” - H.L. Mencken (1880-1956)
The problem is it is difficult to find a hi-res printable pdf that is scaled correctly. I am still looking.