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And why are collectors so determined to acquire them

While there is a wide array of characters to play at start-up, you can also unlock 4 more (weirdly, by entering button combinations on the main menu, not through progressing through the game) for a total of 12

The jump in value was significant, as another PSA 10 copy had sold for $11,000 via eBay on May 26, 2025

However, do take note, that you wont be able to get the absolute value out of it as there are many cards from a collectors perspective

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As an example, I used to collect baseball cards