1. Condition: The overall condition of the piano, including the structural integrity, keys, action, soundboard, and finish, plays a significant role in determining its value. A piano in good condition will likely have a higher value compared to one that requires extensive restoration.
2. Rarity: The rarity of the particular Haines Brother Cabinet Grand piano model can also affect its value. Some models may be more sought after by collectors or enthusiasts, which can drive up their prices.
3. Historical Significance: If the piano has any historical significance, such as being owned by a famous musician or having a unique provenance, it may have a higher value.
4. Location: The geographical location where the piano is being valued can influence its price. Depending on the market demand, the value of the piano may vary from region to region.
5. Appraisals: It's recommended to have the piano evaluated by a qualified piano technician or appraiser who can assess its condition, make any necessary adjustments, and provide an accurate estimate of its value.
Considering all these factors, the value of a Haines Brother Cabinet Grand piano made in 1911 can range from a few thousand dollars to several tens of thousands of dollars. If the piano is in exceptional condition, has historical significance, or is a rare model, its value may be even higher.