for pattern welded:
http://straightrazorpalace.com/showthread.php?t=16130

For Wootz:
http://straightrazorpalace.com/showthread.php?t=16614

For Tamahagane:
Look at this, and imagine what a razor would look like
http://www.swordsoftheeast.com/brows...-of-Theme.html

I have no idea what a Tamahagane razor would cost.

But I hope that -one day- I will have enough razor money to approach a Japanese master smith via a person like So, and have one made for me.
One can always dream, I suppose.