1. Condition:
- Assess the overall condition of the guitar, taking note of any damage, scratches, or signs of wear and tear. A guitar in mint or excellent condition will generally have a higher value.
2. Age and Rarity:
- The guitar's age can influence its value. Vintage or limited edition guitars may have increased value due to their rarity.
3. Market Demand:
- The market demand for Washburn guitars and specifically the W166PROF model plays a significant role in determining its value. If there is a high demand for this model or Washburn guitars in general, it can increase the value.
4. Historical Significance:
- If the guitar has any significant history, such as being owned by a famous musician or used in a notable recording, it may have added value to collectors.
5. Original Parts and Modifications:
- The presence of original parts and any modifications made to the guitar can impact its value. Original parts are generally considered more valuable, while certain desirable modifications may increase the value for certain buyers.
Given these factors, it is difficult to provide a specific value for the Washburn W166PROF guitar without physically examining it and conducting market research. However, you can consult guitar appraisers, dealers, or enthusiasts who specialize in Washburn guitars or vintage instruments to get a more accurate estimate of its value.