PPS:
It should be noted that even antique 19th century Indian or Persian wootz did not display the old watery patterns anymore as 19th century wootz looked more like the crystalline wootz that is produced these modern times.
You can see such an example of a Persian khanjar made around 1850 at the link below:
http://www.vikingsword.com/vb/showthread.php?t=26676