Wear can I find cardbord Sail Panel Boards?

YearOne says 73-75 & they have the same pic for vinyl & cloth, Classic Industries douse have them, but I am wondering how much they would look like my old ones, so if somebodys got theas befour, let me know!

I think theas are the ones I need for a black cardbord grain texter sail panels!
http://www.classicindustries.com/mopar/parts/ma8162301.html

Wish classicindustries & yearone had better pics of theas things!