Compare condition and completeness first
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Guide
How to compare auction records without fooling yourself.
Comparable sales are useful only when the books are genuinely comparable. Condition, completeness, venue, timing, binding, provenance, and buyer demand all matter.
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What To Watch
Listings this page is built around.
Prefer recent and relevant sales over impressive outliers
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Account for fees, shipping, taxes, and currency
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Use comps as ranges, not promises
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