I just posted this original GM fat grip sport steering wheel on Ebay starting at $9.99 with NO RESERVE. This wheel was used on the 1970 Yenko Deuce and Buick GSX only. This one has a parchment grip even though they are said to only be made with a black grip.
Here is a link to the auction:
http://www.ebay.com/itm/354622204642
Free shipping in the US and $25 off international shipping to paid members.
Thanks and good luck,
Jason