They probably had it saved in Favorites? But yes, all Marketplace activity is being done on the forums right now. You should be okay posting as you have more than 10 posts and have been a member for over a month.
Animazement (NC) - Anime Festival Orlando (FL) - Holiday Matsuri (FL)
Upcoming costumes : Harle from Chrono Cross, Narciso Anasui from JoJo's Bizarre Adventure Part 6, Lina Inverse (bunny suit) from Slayers, NiGHTS from NiGHTS into Dreams...