The "Playboy Special Edition - Girlfriends September 1999 - Double Trouble" is a collectible magazine published by Playboy in the United States. This issue, specifically from September 1999, features content catered towards a male audience with a focus on relationships and female interests. The special edition aspect adds uniqueness to the magazine, making it a sought-after item for fans and collectors alike. Written in English, this publication offers a glimpse into the cultural and social norms of the time, particularly in regards to romantic relationships and dating.