magnetic card holder with penny sleeve Display Box of (20) Pro-Mold 75 Point 3rd Generation Holders and Arrowhead Corners : Toys & Games This makes it easier to insert the trading card and less likely to damage it Magnetic w/Penny Sleeve 1st GEN

Several factors determine Pokemon card values: Age & Rarity - Older cards from 1998-2003 are often most valuable

Or you can look at the edges (preferably with some sort of optical magnification)

Authentic Pokmon TCG cards have a physical etched texture you can feel when running your fingernail across them modern counterfeits are almost always smooth and glossy

This event is called a Chain

The SP cards capture moments from the characters' everyday lives, a rarity sure to appeal to collectors

Scarcity creates value, and if many people are going after a particular card, it eventually becomes low in supply, increasing its value over time