
Author: Oliver Copeland
Oliver Copeland
Oliver has been collecting Pokémon cards for over 25 years. He is an expert on Pokémon cards, but collects all trading cards. He created Sleeve No Card Behind to help others learn about cards. His favorite content to write are the deep dive articles where he looks at Pokémon cards under a microscope, both figuratively and literally.


Lightly Played Vs. Near Mint (Comparison)
Oliver Copeland
April 4, 2023

5 Reasons To Collect Sealed Pokémon Products
Oliver Copeland
April 2, 2023

What Is A Grey Stamp Pokémon Card?
Oliver Copeland
April 1, 2023

6 Key Differences Between English and Japanese One Piece Cards
Oliver Copeland
March 25, 2023

15 Cheapest Pokémon Booster Packs
Oliver Copeland
March 21, 2023

7 Safe Websites to Buy Yu-Gi-Oh! Cards
Oliver Copeland
March 19, 2023

Beginner’s Guide To All 6 One Piece Starter Decks 2024
Oliver Copeland
March 17, 2023

What The Letters Mean At The Bottom Of Pokémon Cards (English and Japanese)
Oliver Copeland
March 11, 2023

How To Sell An Old Pokémon Card Collection
Oliver Copeland
March 10, 2023