Pokémon Cards
Pokémon cards are mostly devalued these days due to their long-standing availability on the trading card market. With dozens of editions across decades, there are only a few cards in the ocean of Pokémon cards floating around today, mostly within the first edition. This includes an original, mint condition, holographic Charizard, which will go for around $2,500 on eBay. Beyond the giant red dragon, there are only a few other cards that are worth anywhere near this much.
Pokemon Cards
Old Newspapers
In terms of first-hand historical sources, old newspapers provide incredible amounts of detail when one is trying to better understand something like the Second World War. Even before modern times, newspapers were mass-produced, meaning that they can still be easily acquired, even when they are decades old. Then there is the fact that old newspapers will often be reproduced in massive amounts, meaning that sifting through original issues and reprints is a laborious process. Only significant releases, in their first edition form, will hold much sway over collectors.
Old Newspapers
