[Seven]

Originally Posted by egri

I think it depends on the card. The ones that get most of the headlines here, you're right, they aren't being driven by the checks, but a lot of the cards that used to be in the $100 range and are now high hundreds or more, I could see the checks moving the needle on those. There was a thread here the other day about the 1954 Topps Jackie Robinson in PSA 3? 4? going from $75 a year ago to ~$400 today, and it wouldn't surprise me if the checks had something to do with that.

I think Checks certainly contribute to the lower end cards going up. I would agree in that regard, also raising the prices of lower grades that are normally cheaper.