Certificate of Authenticity Product Key Question(s)

I have an HP something-or-other (what happened to the days when the manufacturers actually put the model name on the chassis? This has nothing beyond the letters G62), laptop running 64 bit W7 Home Premium. I noticed that all of the little rubber-like pads on the bottom are gone, and I wondered if the COA was still legible, now that there's nothing between the sticker and the top of the...