Chain of custody
Purchase dates, prior owners when known, dealer or auction references, and transfer documents.
Ownership proof shows that a guitar was in your possession at a specific time. Provenance goes further: it describes where the instrument came from, how it changed, and why future buyers or heirs should trust the record.
Purchase dates, prior owners when known, dealer or auction references, and transfer documents.
Repairs, refinishes, part swaps, and anything else that changes originality or market interpretation.
Photographs, serial numbers, appraisals, invoices, letters, and old listings that tie the story together.