Johannes Gerardus Keulemans Auction Prices and Value Guide

Johannes Gerardus Keulemans auction prices are tracked in Appraisily's artist market index, with source-directory coverage of 168 records. Use this page to review sold-lot activity, market context, and valuation factors before requesting a formal appraisal.

Johannes Gerardus Keulemans auction prices: quick answer

Johannes Gerardus Keulemans auction prices depend on medium, size, date, condition, provenance, edition details, attribution confidence, and recent comparable auction sales.

Artist
Johannes Gerardus Keulemans
Source records
168
Market update
2026-02-06

Johannes Gerardus Keulemans market snapshot

Johannes Gerardus Keulemans shows solid auction liquidity with 65 tracked lots. Median realized sale is around $625. Category concentration is still broad or sparse. Last 12 months recorded 0 sales. Latest recorded sale: 2024-09-21.

Realized price distribution

  • Under $1,000 (70.7% · 29 sales)
  • $1,000 to $10,000 (22.0% · 9 sales)
  • $10,000+ (7.3% · 3 sales)
Median sale (last 12 months)
$0
Sales recorded (last 12 months)
0
Median shift vs prior year
0.0%
Latest recorded sale
2024-09-21

Artist context

About Johannes Gerardus Keulemans

Johannes Gerardus Keulemans portrait
Unknown author Unknown author · Public domain · Source

Born

1842

Died

1912

Nationality

Dutch

Also known as

John Gerrard Keulemans

Johannes Gerardus Keulemans (1842–1912), also widely identified as John Gerrard Keulemans, was a Dutch bird illustrator whose career became closely connected with British ornithological publishing. From 1869 he worked in Great Britain, and he is especially associated with bird lithographs and illustrations made for prominent nineteenth-century ornithology books. His work occupies the meeting point between natural-history documentation and skilled image-making: each plate needed to communicate recognizable avian form while also functioning as a compelling printed composition. Collectors may therefore encounter his name on standalone works as well as on plates associated with illustrated books. Identifying an object requires attention to its medium, printed credit, bird subject, and publication context, particularly when distinguishing original art from printed material. Keulemans also has a durable entity footprint across Wikidata, Getty ULAN, national library authorities, the National Gallery of Art, and Art UK, supporting reliable matching among variant forms of his name.

LithographyIllustrationPaintingBirdsOrnithology and natural history

Common works and media

The works most closely associated with Keulemans are bird illustrations and lithographs created in the context of nineteenth-century ornithological publishing. Auction and appraisal material may include individual printed bird plates, natural-history works on paper, bound or formerly bound book illustrations, and less commonly paintings. The bird subject, technique, printed credit, and relationship to a particular publication are central identification details. A listing should state clearly whether the object appears to be original art, a period print, a later impression, or a reproduction rather than using the artist's name alone as a complete description.

Market and appraisal context

Keulemans has an established presence in Appraisily's auction-record dataset, but the collected research pack does not include detailed major-auction-house cataloguing or individual realized prices. Appraisal should begin with object-level identification: whether the item is an original painting or drawing, a lithographic plate, or another printed illustration; which bird is depicted; and whether a publication can be identified. Comparisons are most useful when they match the same work type and, where possible, the same image or bibliographic context. Printed attribution alone should not make unlike objects equivalent. Physical condition, completeness, dimensions, inscriptions, and production context should be documented during inspection, while any value conclusion should rely on relevant public sales rather than a generalized artist-level estimate.

Auction categories and appraisal factors

Common auction categories

  • Ornithological lithographs and printed bird plates
  • Bird illustrations and natural-history works on paper
  • Paintings of birds

Value drivers

  1. Whether the object is an original painting or drawing, a lithograph, or another printed illustration
  2. Identification of the bird subject and the work's ornithological publication or plate context
  3. Comparison with public auction records for like-for-like work types and images

Appraisal caveats

  • The collected pack contains an Appraisily auction-record signal but no detailed major-auction-house catalogues or individual realized-price evidence.
  • The available evidence does not support price forecasts, a market trend, or a ranking of the artist's most valuable subjects.
  • Original artwork, period printed plates, later impressions, and reproductions should not be treated as equivalent without object-level examination.

Evidence

Sources for artist context

This source-grounded artist context is based on collected public records: medium confidence, adequate source quality.

Source-grounded artist Markdown

Data basis

This page is built from Appraisily's public auction market index. Private transactions, incomplete sale feeds, and attribution changes may not be fully represented.

LLM-readable Markdown summary for Johannes Gerardus Keulemans

LLM summary index · LLM full index

Artist value FAQ

How much is Johannes Gerardus Keulemans worth?

Comparable public auction sales are the best starting point, but final value depends on the specific artwork, condition, size, medium, provenance, and attribution confidence.

Can Appraisily value my Johannes Gerardus Keulemans artwork?

Yes. Appraisily can review photos, dimensions, signatures, condition, provenance, and comparable market data to prepare a current valuation.