What this is
Two community databases (Serebii page, pokemon-tcg-data json) compared on four sets; they agree on three of four, differing on Platinum (136 vs total 133) so pre-2018 counts carry plus-minus a few cards.
Where it comes from
Our calculation from other figures in the trainer’s notes.
Show the working
- Diamond and Pearl|130|May 23rd 2007|Diamond and Pearl: Mysterious Treasures|124|August 22nd 2007