What is the rarest fossil Pokémon?

What is the rarest fossil Pokémon? “Lapras is the rarest holo, with only about half the population of PSA 10 cards [55 in total] compared to the others,” noted Hall.

Lapras is the rarest holo, with only about half the population of PSA 10 cards [55 in total] compared to the others,” noted Hall.
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