Raymond Berry Rc card.

Hey guys need help i picked up a great card i paid 50 at a show but would like to know the true value of my Raymond Berry Rc from 1957. 

Putting the "trade" back into trading cards
http://www.tradecardsnowboards.com/boards/
http://www.tradecardsnowboards.com/boards/viewtopic.php?f=133&t=17819