I haven't found too many benchmark discs but you are right, that one looks real good for the date that is on it.
One of the things that interests me about searching for benchmarks is the history of it all. Some one, how ever many years ago, left something that not everyone is looking for. Once finding the disc, I like to look for the markers in the descriptions on the website to see what changes may have occurred in the surroundings.
I don't know - is that a little too sappy? No matter, it still keeps me going.
Tom