Here is a SGC 30 (2) I have on ebay.
http://www.ebay.com/itm/172099421012...84.m1555.l2649
They sell for steep prices. Check out the "sold" listings on ebay.
I think mine is within the current market.
If interested, make an offer through eBay. I'll take into consideration you are a member here.
Thanks and good luck with you collecting.
-Jimmy