Here is a link to a picture and a description of the pistol:
http://www.gunshopfinder.com/sig/sigLangon.asp
At the 2003 IDPA Nationals Ernest Langdon captured the “House of 1911” by taking a double-action SIG SAUER P220 Stainless and defeating the best names in shooting sports and their custom-built 1911s. They said it couldn’t be done. They were wrong. SIGARMS is proud to offer the Langdon Edition P220-45-EL.
Designed by Langdon, this P220 is perfect for IDPA and comes with the following features:
* Stainless slide & frame with integral accessory rail
* Reversed two-tone Nitron® finished slide
* "Ernest Langdon" slide engraving
* Front slide serrations
* Scott Warren design competition rear sight
* Dawson Precision fiber optic front sight
* Solid stainless guide rod
* Short trigger
* Modified (lengthened) mag catch button
* Nill walnut wood grips
* Hex head grip screws
* Two 8-round magazines