Table:
text: List of most expensive celebrity photographs
Most expensive celebrity photographs
Most expensive celebrity photographs
Type_ Persons Publishers Publication_date Reported_price
Baby photos Honor Marie Warren OK! July 2008 $1,500,000
Wedding photos Anna Nicole Smith & Howard K. Stern People September 2006 $1,000,000
Baby photos Maddie Briann Aldridge OK! July 2008 $1,000,000
Baby photos Harlow Winter Madden People February 2008 $1,000,000
Baby photos Kingston James McGregor Rossdale OK! June 2006 $575,000
Couple photos Angelina Jolie & Brad Pitt Us Weekly April 2005 $500,000
Baby photos Sean Preston Federline People November 2005 $500,000
Visibly pregnant photos Angelina Jolie People January 2006 $500,000
Last photo Daniel Smith In Touch September 2006 $400,000

text: List of most expensive celebrity photographs
Most expensive celebrity photographs
Most expensive celebrity photographs
Type_ Persons Publishers Publication_date Reported_price
Baby photos Knox Leon & Vivienne Marcheline Jolie-Pitt People & Hello! August 2008 $15,000,000
Baby photos Maximilian David & Emme Maribel Muñiz People March 2008 $6,000,000
Baby photos Shiloh Nouvel Jolie-Pitt People June 2006 $4,100,000
Wedding photos Demi Moore & Ashton Kutcher OK! October 2005 $3,000,000
Baby photos Levi Alves McConaughey OK! August 2008 $3,000,000
Post-adoption photos Pax Thien Jolie-Pitt People March 2007 $2,000,000
Post- paternity case photos Larry & Dannielynn Birkhead OK! April 2007 $2,000,000
Wedding photos Eva Longoria & Tony Parker OK! July 2007 $2,000,000
Baby photos Max Liron Bratman People February 2008 $1,500,000

Question: What was the publication date of Sean Preston Federline's photos in the list of the most expensive celebrity photos that cost $500,000 published by People?