As you can imagine, the 10 grade system used by collectors to rate the shape your poster is in, has ten different steps. This system was developed by Jon Warren and isn't used very often.
- C10 - Mint -
- C9 - Near Mint -
- C8 - Excellent -
- C7 - Very Good to Excellent -
- C6 - Very Good -
- C5 - Good to Very Good -
- C4 - Good -
- C3 - Fair -
- C2 - Poor to Fair -
- C1 - Poor -
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