Rather than a silent auction, Canon's 'Sight Unseen' was a blind auction. The photography auction, which was held by Canon Australia, had bidders place bids on blank frames with only an educated guess at the photograph that might eventually grace it.
Sight Unseen was part of a campaign to show off Canon's professional photo printer, the Prograf Pro-1000. During Sight Unseen, the photographer who had taken the 10 pictures up for auction described their pieces, and bidders had to take a risk based on that description. Once the winning bid was established, Canon Australia would use a Prograf Pro-1000 on site to print the photograph into the blank frame, showing how the technology can turn blank paper into a work of art in the blink of an eye.