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All prices include the buyer's commission.
Price History: Keller, Helmuth
Highest Sales
Viola (6 sold) : $20,060, Jun 5 2026
Violin (1 sold) : $6,000, Oct 17 2014
| Type | City | Sale Date | USD | GBP | EUR |
|---|---|---|---|---|---|
| Viola | Philadelphia, PA | Jun 5, 2026 | $20,060 | £14,896 | €17,234 |
| Viola | Philadelphia, PA | May 30, 2025 | $14,400 | £10,683 | €12,700 |
| Viola | Philadelphia, PA | Mar 15, 2024 | $11,400 | £8,939 | €10,466 |
| Viola | Philadelphia, PA | Nov 18, 2022 | $8,400 | £7,067 | €8,128 |
| Violin | Philadelphia, PA | Oct 17, 2014 | $6,000 | £3,751 | €4,706 |
| Viola | Philadelphia, PA | Nov 28, 2012 | $7,800 | £4,882 | €6,051 |
| Viola | Nov 12, 1999 | $7,150 | £4,432 | €6,936 |
Primary Sale Currencies Bold