The snake in this ad is being listed as a Silver Streak. If I am not mistaken it is just a Pewter. Don't both parents have to have the Black Pastel or Cinny gene to make a Silver Streak? This add is posted by somebody reputable though(I think). Let me know what you guys think. Here is the link...

http://market.kingsnake.com/detail.php?cat=32&de=717757