lucario v pokemon card S-P Promotional cards [S-P 304] 'Lucario SR: PROMO' S-P-304-JP Fighting Rarity Lucario V & Tyranitar V

KnightsBattlecry001 says

Factors determining value The extraordinary value of these cards derives from a combination of factors: Absolute Rarity The most expensive cards have extremely limited print runs , often fewer than 100 specimens worldwide

This Rainbow Rare Charizard VSTAR is one of five different Charizards you can pick up in Brilliant Stars and I have a feeling you might see the other versions in this list

Finally, there were the surprises

Theres just too many

swissorican February 11, 2021, 9:24am 16 tonysandlin: If you can get your hands on more ADV cards, particularly the common and uncommons, I would love to know if the serial codes on them differ among duplicate copies