Opera developers introduced a version of their webbrowser which has builtin OGG Theora support at the recent Silicon Valley Webbuilders conference. It is notable that the brickfilm featured during the presentation was created by the same person, Eventide, who is in charge of judging for this contest. A video taken at the conference can be viewed at this webpage.
There will be both a winner and a runner-up selected. The winner will be offered first choice of the two prizes and the runner-up is award the unselected prize.
The scripts are fairly plain printouts on A4 paper that appear to have been printed using a laser printer. The signatures appear in black marker on the cover page. I am satisfied that the autographs are authentic based on my searching for samples on the Web, though there is no documentation to provide definite proof. The scripts were purchased as part of a collection on E-bay from an established seller with an excellent feedback record.