Lot 43 · History of Science & Technology
Autograph Letter Signed ("R. Koch")
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- Estimate
- $1,500–$2,500 hammer
- Result
- Performance
- Sale
- Bonhams — History of Science & Technology, New York · 21 September 2015
- Record ID
- TB-2026-1761338
- Record
- first seen 23 Jul 2026 · updated 24 Jul 2026 · source ↗
- Cite this record
- TB-2026-1761338 — https://thebasis.art/cite/TB-2026-1761338
Koch, Robert. 1843-1910., KOCH, ROBERT. 1843-1910. Autograph Letter Signed ("R. Koch"). Bonhams, 21 Sep 2015, lot 43. result recorded. TheBasis.Art, TB-2026-1761338.
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Koch, Robert. 1843-1910., KOCH, ROBERT. 1843-1910. Autograph Letter Signed ("R. Koch"). Bonhams, 21 Sep 2015, lot 43. result recorded. TheBasis.Art, TB-2026-1761338.
The citation omits the realized price because this record is not unlocked. Everything else in it is complete and permanent.
From the same sale History of Science & Technology · Sep 2015
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Chronographia Reportorio de los Tiempos el mas copioso y preciso que … | Hieronymo De Chaves. 1523-1574. | $5,000–$8,000 | |
| BAYER, JOHANN. 1572-1625. Uranometria, omnium asterismorum continens … | Celestial Atlas. | $12,000–$18,000 | |
| Very Rare George III Mahogany and Engraved Brass Orrery. | — | $200,000–$250,000 | |
| Octagonal Reverse Tapered Sea Glass. | — | $800–$1,200 | |
| Eighteenth Century Sundial. | — | $2,000–$3,000 | |
| Flaugergues, Honoré. Fl. 1755-1835. | — | $1,000–$1,500 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Koch, Robert. 1843-1910. | Eigh. Brief m. U. an einen Regierungsbeamten, 1896 | $2,071 | Ketterer Kunst, May 2026 | |
| Koch, Robert. 1843-1910. | 2 Verträge (Farbwerke Meister Lucius & Brüning), 1892-1910 | Ketterer Kunst, May 2026 | ||
| Koch, Robert. 1843-1910. | Untersuchungen ueber die Aetiologie der Wundinfectionskrankh | Bonhams, Jun 2024 | ||
| Morgagni, Giovanni Battista. 1682-1771. | The Seats and Causes of Diseases.... London: Printed for A. | Bonhams, Jun 2025 | ||
| Darwin | The descent of man. 2 Bände, 1871 | Ketterer Kunst, May 2024 | ||
| Vesalius, Andreas. 1514-1564. | Icones anatomicae. Munich: Bremer Press, 1934. | Bonhams, Apr 2023 | ||
| Koch, Robert. 1843-1910. | Eigh. Brief m. U. an Georg Gaffky, Bakteriologe, 1906 | Ketterer Kunst, May 2026 | ||
| Koch, Robert. 1843-1910. | "Die Aetilogie der Tuberculose." Pp 221-230, [In:] Berliner | Bonhams, Mar 2019 |
The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.