Quality assurance is non-negotiable damaged or tampered boxes significantly diminish value
After all, we wont be getting reprints of these exact cards again, and the 1st Edition stamp is pretty unique to the earlier days of the Pokemon TCG, indicating a limited print run that should be valuable in-and-of-itself
Heres the art: Popular interpretation suggests that the beak of Palinchron is actually a trick of perspective

Scientists Academy Elite Adventurer's Airship Agna Qel'a Arcade Gannon Archive Haunt Artful Looter Assassin Gauntlet Atlantean Skirmisher Bag Check Bag of Holding Baron Strucker, HYDRA Overlord Bellowing Crier Benthic Biomancer Bloodfire Mentor Bonded Fetch Boosted Sloop Broadside Barrage Cait, Cage Brawler Canyon Crab Captain of Umbar Carlo, Suave Schemer Ceta Sanctuary Chakra Meditation Change of Plans Civilized Scholar Collector's Vault Conqueror's Foothold Copycrook Coralhelm Chronicler Currency Converter Customs Depot Cyclonus, the Saboteur Daily Bugle Newspaper Data Scrubber Deal Broker Deny Entry Desolate Lighthouse Diviner of Fates Doc Ock's Henchmen Doctor Doom, King of Latveria Dragonborn Looter Dreadwing Scavenger Echo Inspector Elite Instructor Emet-Selch, Unsundered Enclave Cryptologist Erratic Visionary Evangel of Synthesis Evie Frye Facet Reader Failed Inspection Flying Drone Frontline Sage Furtive Analyst Furtive Courier Geyser Leaper Goben, Gene-Splice Savant Gran-Gran Grixis Battlemage Hapless Researcher Hard Cover Harrier Strix Hypnotic Grifter Icewind Elemental Illuminator Virtuoso Improbable Alliance Inspired Sprite Jace Reawakened Jace, Cunning Castaway Jace, Vryn's Prodigy Jalum Tome

Based on the latest market prices tracked on TCG Stacked, Groudon is worth about $6.27 USD
Try the Light Test Hold the card up to a phone flashlight in a dim room