A publication, typically in guide or digital format, gives valuation estimates for beforehand owned musical devices. These sources collate gross sales information and knowledgeable evaluation to current a spread of potential values primarily based on varied elements like model, mannequin, situation, and age. For instance, a potential purchaser would possibly seek the advice of such a information to find out a good value for a Steinway grand piano manufactured in 1980, contemplating its bodily state and any mandatory repairs.
The significance of consulting such a useful resource lies in establishing a sensible market worth, making certain truthful transactions between patrons and sellers. Traditionally, these guides have been bodily books distributed to retailers and technicians. The rise of digital databases has broadened entry and supplied extra real-time updates reflecting shifting market tendencies and elevated availability of gross sales data. This improved entry helps forestall overpayment and ensures sellers obtain equitable compensation for his or her devices.