Somehow I doubt Paragallo would have made sure to include a buy-back clause when selling Silver Charm to studfarms in Japan.
Speaking of him, though it's not the most regularly updated, Three Chimneys does still keep a page on him with photos- most recently from 2008:
http://www.threechimneys.com/SilverCharm/
There's a box on the right side of the screen to click for the pictures.