This week Chris Owen and Walter Durajlija try and help you understand the discipline of assigning comic books grades. They also explore the world of pressing comic books, cleaning them and even unrestoring them.

The boys discuss how small grade increments can create scarcity in supply that often leads to really strong results in the marketplace.

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P.S. We forgot to mention during the show that in next week's show we'll be reading Valentine's Day poems as delivered by your favourite superheroes.