There are purple and red back signatures from last year. If you look at this card it looks very purple in the picture.
http://cgi.ebay.com/08-09-Champs-Mini-Auto-DANIEL-NEGREANU-PURPLE-Back-3-/320540604800?cmd=ViewItem&pt=LH_DefaultDomain_2&hash=item4aa1b57980
It could just be the persons scanner that is making it look more red, but this Crosby red back looks almost the same in the scan of the back.
http://cgi.ebay.com/SIDNEY-CROSBY-08-09-CHAMPS-MINI-RED-BACK-AUTO-HOT-RARE-/220641380475?cmd=ViewItem&pt=US_Hockey_Trading_Cards&hash=item335f40487b
Sorry I couldn't be a lot of help, all I could find.
