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Questions about the methodology, a partnership idea, press enquiries, or a correction to our data — tell us. We read every message and reply from [email protected].
Pick the closest topic so the right person sees it first. We aim to reply within a few business days.
Shops and event vendors: if you want to contribute sales data (and get free POS tooling back), the fastest route is the data-partner application — it goes straight into our onboarding queue.
Methodology and data questions: most answers live on the methodology page, including eligibility rules, weighting caps, and how flagged sales are reviewed.
We do not provide investment advice, valuations for individual collections, or buy/sell recommendations — messages asking for them will get a polite pointer back to this paragraph.