1999 pokemon card pack Booster Box - Pokémon TV Animation Edition Series 1 making it a coveted addition to any collection Question about 1999 Base Set

Shark Tribal Instant (17) 1x Brainstorm 1x Opt 1x Path to Exile 1x Blades of Velis Vel 1x Cyclonic Rift 1x Desperate Ravings 1x Izzet Charm 1x Mission Briefing 1x Reality Shift 1x Blue Sun's Zenith 1x Crib Swap 1x Stroke of Genius 1x Thirst for Knowledge 1x Thirst for Meaning 1x Cryptic Command 1x Thoughtflare Land (34) 1x Cavern of Souls 1x Hallowed Fountain 10x Island 9x Mountain 1x Mystic Sanctuary 5x Plains 1x Raugrin Triome 1x Reliquary Tower 1x Sacred Foundry 1x Steam Vents 1x Swiftwater Cliffs 1x Tranquil Cove 1x Wind-Scarred Crag Planeswalker (2) Enchantment (2) Creature (16) 1x Mothdust Changeling 1x Hammerhead Shark 1x Merfolk Looter 1x Unsettled Mariner 1x Magus of the Wheel 1x Mirror Entity 1x Kykar, Wind's Fury 1x Ox of Agonas 1x Pouncing Shoreshark 1x Voracious Greatshark 1x Giant Shark 1x Niv-Mizzet, Parun 1x The Locust God 1x Dragon Mage 1x Jin-Gitaxias, Core Augur

And the value of such cards is determined by the fact that there are catastrophically few first edition Pokmon cards on the market

Considering the strict quality control implemented in Pokemon card factories, there are only a handful of authentic error cards today, like those with miscut borders, wrong text, and wrong coloring

Could also be considered the Thick variation but since the Thin variation is so niche, the Thick ones are just viewed as the Standard