Professor's Research has been a staple since the Sword & Shield era, and has been able to remain as one of the best Supporters despite the aggressive power creep between generations
"Cryptic Command," "Arcbound Ravager," and "Aether Vial," are all punching above their weight, generating more dollar volume than their average retail price would indicate
You can find LP copies much more often on TCGplayer than those in worse conditions, so expect to pay around $7.37 and upward if you don't mind settling for an imperfect card
It has a unique Move called Metal Reversal, which drags out one of your opponents Benched Pokemon which then takes the 40 damage from this attack
Despite featuring an eclectic mix of Pokmon, its perhaps unsurprising that Pikachu is the most valuable card from that years promotion
home / Buy Now / 1999 Pokemon Base Set Booster Pack Black Triangle Error Blastoise Art PSA 8 on Fanatics Collect home / Buy Now / 1999 Pokemon Base Set Booster Pack Black Triangle Error Blastoise Art PSA 8 Previous slide Next slide 1999 Pokemon Base Set Booster Pack Black Triangle Error Blastoise Art PSA 8 $4,300 Guide Price $600 Sales History on Fanatics Collect Sep 08, 2025 $564
