This is a podrace postcard signed by Ahmed Best, Anthony Daniels, Ewan McGregor, George Lucas, Jake Lloyd, Kenny Baker,  Liam Neeson, Natalie Portman, Rick McCallum & Samuel L. Jackson. I bought it on Ebay. 

Back to Star Wars

Ahmed's IMDB Entry: http://www.imdb.com/name/nm0078886/

Ahmed's Official Website

Anthony's IMDB Entry: http://www.imdb.com/name/nm0000355/

Anthony's Official Website: http://www.anthonydaniels.com/index.html

Ewan's IMDB Entry: http://www.imdb.com/name/nm0000191/

Ewan's Fansite

George's IMDB Entry: http://www.imdb.com/name/nm0000184/

George's Wikipedia Entry: http://en.wikipedia.org/wiki/George_Lucas

Jake's IMDB Entry: http://www.imdb.com/name/nm0005157/

Jake's Wikipedia Entry: http://en.wikipedia.org/wiki/Jake_Lloyd

Kenny's IMDB Entry: http://www.imdb.com/name/nm0048652/

Kenny's Official Website

Liam's IMDB Entry: http://www.imdb.com/name/nm0000553/

Liam's Fansite

Natalie's IMDB Entry: http://www.imdb.com/name/nm0000204/

Natalie's Fansite: http://www.natalieportman.com/npcom.php

Rick's IMDB Entry: http://www.imdb.com/name/nm0564768/

Rick's Wikipedia Entry: http://en.wikipedia.org/wiki/Rick_McCallum

Samuel's IMDB Entry: http://www.imdb.com/name/nm0000168/

Samuel's Official Website: http://www.samuelljackson.com/