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20 perspectives.
Outstanding
accuracy.
When 20 passionate collectors analyse your card independently, individual errors cancel out — and a reliable consensus emerges.
The wisdom of crowds
A mathematical phenomenon that makes our method as accurate as a human expert.
CS004821
Charizard V — Pokémon
20/20 votes received
10
5
9
11
8
4
7
0
Community final grade
High confidence
9
The principle is simple: when multiple people estimate something independently, their individual biases cancel each other out.
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