Not only is such an honor to have done, they are worth a bloody fortune these days  
And that evening in the Library, Vernon cutted 3 silhouettes: he did mine, my wife's and the latest he cutted was the silhouette of 
Dante (the Magician): he did cut it in 
17 seconds with is old tiny rusted scissors.  That was extremely impressive; his right hand handling the scissors didn't move at all, and he moved the paper with his left hand.
I should scan the 2 other silhouettes one of those days.
The simplest possible thing to do with the Blitz/Overblitz is card control.
On this French (Belgian) speaking video, you've both the control and the center palm...
The move is so perfectly smooth, in live condition that it can be used for mentalism.
It was the subject of my lecture at the 1994 McMillan Convention.
http://www.youtube.com/watch?v=Flxy9ukm ... re=related
I've created a serie of totally unusual card moves (like the Phantom shuffle, the Chelmuck, Chelman Switch and more), but most of them are totally secret and teached only to my students.  I'm obsessed by the absolute invisibility of moves in cardmagic...
If you've read the October 2007 issue of Magic Magazine, you may have learned that I do a lot of cheating stuff too.