1. Condition: The overall condition of the piano, including the functionality of its playing mechanisms, the condition of the keys, pedals, and woodwork, will significantly impact its value. A piano that is well-maintained and in good working order will be more valuable than one that requires extensive repairs.
2. Rarity: The rarity of the specific model or serial number can also affect its value. If the piano is a rare model or has unique features, it may be more valuable to collectors. You can research the history of the Waltham piano company and its production numbers to determine the rarity of this particular instrument.
3. Features: The features of the player piano, such as the type of music rolls it can play, the presence of additional instruments like drums or xylophones, and any special decorative features, can also contribute to its value.
To get a reliable estimate of the value of your 1927 Waltham upright player piano, it's advisable to consult with a qualified piano appraiser or to research comparable sales of similar pianos. A professional appraiser can physically examine the instrument, assess its condition, and provide an accurate estimate of its market value.