I'm kinda of assuming you are looking for the stock light sorta moca colored knobs?
There are some non-stock but nice ones at the bottom of this page:
http://www.chevsofthe40s.com/shop/se...kip=160&Max=40
Here's a link to stock knobs for sale:
http://www.bowtiebits.com/store/stor..._Category_ID=4
Best of luck.