While Vibranium tokens are indestructible, this only protects them from destruction effects, and they will be consumed if you use them to cast an artifact
First and foremost, trust your instincts - if its an expensive modern chase or a vintage card, and it seems off, dont write it off yet, but its worth checking a few things Read the text Check to make sure fonts match up with a real example Check for grammatical errors or wrong information (eg

$0.49 Varis, Silverymoon Ranger (Showcase) Adventures in the Forgotten Realms Variants $0.99 Nadaar, Selfless Paladin (Showcase) Adventures in the Forgotten Realms Variants $1.99 Minsc, Beloved Ranger (Showcase) Adventures in the Forgotten Realms Variants $0.49 Guenhwyvar Token Adventures in the Forgotten Realms $1.49 Mind Flayer (Showcase) Adventures in the Forgotten Realms Variants $0.79 Volo, Guide to Monsters (Showcase) Adventures in the Forgotten Realms Variants $0.99 Gretchen Titchwillow (Showcase) Adventures in the Forgotten Realms Variants $2.29 Primevals' Glorious Rebirth Dominaria $0.49 Wight (Showcase) Adventures in the Forgotten Realms Variants $1.99 Kalain, Reclusive Painter (Showcase) Adventures in the Forgotten Realms Variants $0.49 Zalto, Fire Giant Duke (Showcase) Adventures in the Forgotten Realms Variants $0.49 Owlbear (Showcase) Adventures in the Forgotten Realms Variants 0 results found
So it just endures
It's a great effect if you can get it going
It fits our trade and model