KEPLER, JOHANNES. 1571-1630. Autograph Letter Signed ("Johann Kepler"), in German, to Matthias, Roman Emperor and King of Hungary Bohemia, etc., 2 pp recto and verso, folio (310 x 198 mm), 6 September 1613, — KEPLER PURSUES HIS PENSION FROM THE ROMAN EMPEROR MATTHIAS.

Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.

Estimate: $120,000–$180,000 hammer
Result
Performance
Sale: Bonhams — History of Science and Technology, including Space History, New York · 25 October 2022
Record ID: TB-2026-549243
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-549243 — https://thebasis.art/cite/TB-2026-549243

Kepler Pursues His Pension From The Roman Emperor Matthias., KEPLER, JOHANNES. 1571-1630. Autograph Letter Signed ("Johann Kepler"), in German, to Matthias, Roman Emperor and King of Hungary Bohemia, etc., 2 pp recto and verso, folio (310 x 198 mm), 6 September 1613,. Bonhams, 25 Oct 2022, lot 1008. bought in (did not sell). TheBasis.Art, TB-2026-549243.

Cite this record permanent · resolvable · quotable

Appraisal reports, insurance claims, catalogue entries and footnotes. The identifier never changes, and anyone can resolve it back to this page at https://thebasis.art/cite/TB-2026-549243.

Kepler Pursues His Pension From The Roman Emperor Matthias., KEPLER, JOHANNES. 1571-1630. Autograph Letter Signed ("Johann Kepler"), in German, to Matthias, Roman Emperor and King of Hungary Bohemia, etc., 2 pp recto and verso, folio (310 x 198 mm), 6 September 1613,. Bonhams, 25 Oct 2022, lot 1008. bought in (did not sell). TheBasis.Art, TB-2026-549243.

Test the link

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 and Technology, including Space History · Oct 2022

Lot	Artist	Estimate
EUCLID. FL. 300 BCE. Elementa geometriae. Venice: Erhard Ratdolt, May…	Euclid's Elements, 1482	$80,000–$120,000
De re & praxi geometrica, Libri tres, figuris & demonstrationibus ill…	Oronce Finé	$1,000–$1,500
De arte gymnastica libri sex. Venice: Giunta, 1601.	Mercurialis, Hieronymus. 1530-1606.	$400–$600
Rariorum Plantarum Historia. Antwerp: Plantin, 1601.	L'ecluse, Charles DE. 1526-1609.	$2,000–$3,000
Rabdologiae seu numerationis per virgulas libri duo. Leiden: Peter Ra…	Napier, John. 1550-1617.	$1,200–$1,800
Romani Collegii Societatus Jesu Musaeum Celeberrimum. Amsterdam: Jans…	Kircher, Athanasius. 1602-1680.	$5,000–$7,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Inc. Apple Computer	original neon rainbow apple logo sign	$81,250	Sotheby's, Dec 2019
Shannon, Claude. 1916-2001.	SHANNON, CLAUDE E. 1916-2001. THE FOUNDING OF INFORMATION TH		Bonhams, Oct 2022
Eniac	Collection of ENIAC artifacts once owned by Winifred S. Jona		Bonhams, Oct 2025

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.