I bought this cello at an auction and have no knowledge of its provenance. According to the Google AI. These value from $1000 -$3000 depending on condition. This one has significant wear. It would make and excellent gift for a young student and can easily be put to work as a student cello as is. There may be potential for a significant profit for someone who wants to do the follow up. Please see the AI Overview below:
AI Overview
The William Lewis & Son 1920 Cello (often dubbed the "Klengel" model) is a vintage European-made instrument. Originally built in Markneukirchen, Germany, and imported to Chicago by William Lewis and Son, these 3/4-sized cellos are highly regarded student and conservatory instruments that produce a warm, robust tone.
Condition and Market Value:
Valuation: Because these cellos are nearly a century old, their value fluctuates heavily based on condition, playability, and the extent of any prior crack repairs. Generally, they appraise anywhere between $1,000 and $3,500, depending on the extent of restoration needed and the originality of the fittings.
3/4 Sizing:
A 3/4 cello is ideal for advancing middle or high school students transitioning to full-size instruments.
This is being sold as-is, where is with no warranty or guarantees express or implied.