Series

XY

Release date

October 12, 2013

Card count

216

Set ID

xyp

The XY Black Star Promos are a series of promotional cards tied in with the XY Series of cards, which started with the release of the Collector's Pin Three Pack Blisters the same day as Pokémon X and Y . With the introduction of this Series, the BW prefix for promotional cards was changed to XY .

Source: Bulbapedia