30 year old Cardboard has been posting since August 2008, about the time I began reading the sport card blogs. 30 year old Cardboard has a somewhat interesting banner across the top of the blog and a nice clean rectangular look to the blog. 30 year old Cardboard tends to post short but succinct blogs, but he maybe the most active poster of are time. He averages well over a 100 post a month to wet our appetites. He does a little bit of everything mixing sports cards and sports such as player collections posts, did you know posts and top ten list posts (plus a multitude of other categories/subject matters which are listed on the right side of his blog for readers to enjoy). An old war horse (or should I saw a Hawk) of a blog. He recently celebrated his 400,000 hit on his blog so there many who really like this blog.