You have found a rare collectable treasure!
You are looking at a PWC-2 Pieceworks Trading Card from Buffy: The Vampire Slayer Connections.
This card features a dual character swatch of Show-worn items from the episode “As you were” from Season 6.
The costumes were worn by Emma Caulfield as Anya and Nicholas Brendon as Xander.
This card features Anyas Skirt & Xanders Pants.
Produced by Inkworks in 2003.