Where it comes from
List of Pokémon Trading Card Game expansions - Bulbapedia (English sets) Bulbapedia (community wiki), via Internet Archive snapshot 2026-10-04 · 12 September 2026 Open the original ↗
The line in the source
Expedition Base Set Main Series Expansion 165 September 15, 2002 ; Aquapolis Main Series Expansion 147 32 Holofoil cards 3 Secret cards January 15, 2003 ; Skyridge Main Series Expansion 144 32 Holofoil cards 6 Secret cards May 12, 2003