I have 3 Chamberlain base cards that are first printed or to his jersey #13.
06-07 TTT #91 Wilt Chamberlain Sapphire #01/25
Emerald #001/199
Sepia #013/299

Also have a real nice 1969-70 Wilt Chamberlain Topps #1. It's not mint but it is in beautiful condition. I can send hi-res scans if interested.
Willing to sell or trade for:

1-UFC/MMA cards
2-Jordan/Lebron cards
3-Tiger Woods
4-Raptors-Bosh/Bargnani/Calderon/Turkoglu
5-Leafs-Luke Schenn
6-NBA Star Auto's-Shaq/Kobe/CP3/Deron/Bird/Magic