Here are a couple recently for sale on eBay...one sold low and the other didn't sell, so I guess they are not highly sought after. Of course, you might find someone who is keen on them.
http://cgi.ebay.ca/KATAKURA-PORTA-CY...QQcmdZViewItem
http://cgi.ebay.ca/VINTAGE-SILK-KATA...QQcmdZViewItem