To help you determine the value of your piano.

Much of the information here is from The Piano Book by Larry Fine

Piano Depreciation

Another method of determining the value of a piano is called
the "depreciation" method. This method is especially useful for appraising pianos of recent make when the models are still in production. To use it, one needs to find out how much a new piano of the same or comparable make and model would cost now, and then look up the age of the subject piano on a depreciation schedule.

The percentage given represents what the piano is worth relative to the cost of a new one. There is no universally agreed-upon depreciation schedule for pianos, but one such schedule is provided below. This method works fairly well for pianos of average quality which have had a normal amount of wear. For better quality pianos, or pianos that have had either very little or far too much use, the values produced this way must be adjusted accordingly.

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