Rare Book Hub has long been a go-to resource for collectors and dealers of antiquarian books, manuscripts, maps, and ephemera. When readers dive into Rare Book Monthly or explore Transactions+, they approach it from different angles: collectors often seek price validation, while dealers focus on provenance, comparable sales, and rarity in the marketplace. The distinctions between these two perspectives are crucial, but a large database with numerous records can satisfy the diverse needs of researchers, dealers, and collectors alike.
Between collectors and dealers lies the true market, where price approximations take shape. Often, dealers have the upper hand, leveraging their nuanced understanding of condition, edition, and provenance to turn a profit. Collectors, on the other hand, may not always be fully aware of these subtleties, as dealers naturally guard the secrets of their trade to maintain profitability.
Then there’s Adam Weinberger, a rare ABAA dealer who distinguishes himself through his openness about the trade in rare books, manuscripts, and collectible paper. Adam is refreshingly transparent in his videos, sharing his enthusiasm for making new discoveries while recognizing that first impressions of newly acquired material are just the start. Some items may turn out to be less valuable than initially thought, while others reveal hidden stories or connections that can dramatically increase their worth.
Adam’s expertise in identifying valuable material, coupled with his knowledge of authentication, pricing, and marketing, is invaluable. His YouTube videos are not only educational but also refreshingly candid—essential viewing for anyone (but especially beginners) interested in buying or selling rare items.
Currently, Adam’s focus is shifting toward the library and institutional world, where a large percentage of rare books and documents reside. Many of these institutions face deaccessioning due to inadequate budgets for the care and conservation of their collections, and Adam’s expertise is helping to navigate these challenges.
To learn more, check out Adam’s educational content: (you will often find him recommending RareBookHub !)
Forum Auctions Natural History: The remaining stock of Antiquariaat Junk, 1899-2026 25 March 2026
Forum, Mar. 25: Botany.- Andrews (H.C.) Coloured Engravings of Heaths, 4 vol. in 2, first edition, [1710,--94]-1802-1809-[1830]. £10,000 - £15,000.
Forum, Mar. 25: Butterflies.- Cramer (Pierre) and Caspar Stoll. De Uitlandsche Kapellen voorkomende in de drie Waereld-Deelen…,, 5 vol., Amsterdam & Utrecht, 1779-91. £8,000 - £12,000.
Forum, Mar. 25: Voyages.- Darwin (Charles) and others. Narrative of the Surveying Voyages of His Majesty's Ships Adventure and Beagle, 3 vol. in 4, including Appendix to vol.2, first edition, 1839. £8,000 - £12,000.
Forum, Mar. 25: Butterflies.- de Graaf (Willem Diederik Vincent). [Inlandsche Kapellen in beeld], 170 fine original watercolours, [Enkhuizen], [1800-40]. £8,000 - £12,000.
Forum Auctions Natural History: The remaining stock of Antiquariaat Junk, 1899-2026 25 March 2026
Forum, Mar. 25: Birds.- Dresser (Henry Eeles). A History of the Birds of Europe, 9 vol., including supplement, first edition, by the author, 1871-96. £6,000 - £8,000.
Forum, Mar. 25: Zoology.- Felines.- Elliot (Daniel Giraud). A Monograph of the Felidæ or Family of the Cats, first edition, for the Subscribers, by the Author, [1878]-1883. £25,000 - £30,000.
Forum, Mar. 25: Birds.- Frisch (Johann Leonard). Vorstellung der Vögel Deutschlandes, 2 vol., first edition, Berlin, Friedr. Wilhelm Birnsteil, [1736]-1763. £40,000 - £60,000.
Forum, Mar. 25: Birds.- Gould (John). The Birds of Great Britain, 5 vol., first edition, by the author, 1862-1873. £30,000 - £40,000.
Forum Auctions Natural History: The remaining stock of Antiquariaat Junk, 1899-2026 25 March 2026
Forum, Mar. 25: Pomology.- France.- Poiteau (A.) Pomologie Française. Recueil des Plus Beaux Fruits cultivés en France, 4 vol., Paris, 1846. £30,000 - £40,000.
Forum, Mar. 25: Botany.- [Robin (Jean)]. Histoire des Plantes, nouvellement trouvées en l'Isle Virgine…,, 1620; with Geoffrey Linocier L'Histoire des plantes, second edition, 1619-20. £3,000 - £4,000.
Forum, Mar. 25: Asia.- Japan.- Siebold (P.F. von). Nippon. Archiv zur Beschreibung von Japan, 7 parts in 6 vol., first edition, Leyden, [1832]-1852. £35,000 - £45,000.
Forum, Mar. 25: Asia.- Valentijn (Francois). Oud en Nieuw Oost-Indiën..., 5 vol. in 8, first edition, Dordrecht [&] Amsterdam, 1724-26. £8,000 - £12,000.
Forum, Mar. 25: Botany.- Australia.- Redouté (P.J.).- Ventenat (Étienne Pierre). Jardin de la Malmaison, 2 vol.,, Paris, 1803-04[-05]. £30,000 - £40,000.
ALDE, Mar. 11: AUGUSTIN (Saint). De civitate Dei. Rome, Konrad Sweynheym et Arnold Pannartz, 1470. €20,000 - €30,000.
ALDE, Mar. 11: [REGNART (LE LIVRE DE)]. [Le] Docteur en malice, maistre Regnard, demonstrant les ruzes et cautelles qu'il use envers les personnes… Rouen, 1550. €20,000 - €30,000.
ALDE, Mar. 11: TRITHÈME (JEAN). Polygraphie et universelle escriture cabalistique. Paris, [Benoît Prévost pour] Jacques Kerver, 1561. €8,000 - €10,000.
ALDE, Mar. 11: CAUS (SALOMON DE). La Perspective, avec la raison des ombres et des miroirs. Londres, John Norton, 1612.
ALDE, Mar. 11: NICERON (JEAN-FRANÇOIS). La Perspective curieuse ou magie artificielle des effets merveilleux de l'optique. Paris, Pierre Billaine, 1638. €6,000 - €8,000.
ALDE, Mar. 11: VONTET (JACQUES). L’Art de trancher la viande et toute sorte de fruits… S.l.n.d. [probablement Lyon, vers 1647]. €20,000 - €30,000.
ALDE, Mar. 11: HUGO (VICTOR). [Paysage spectral avec une église], [vers 1837]. €20,000 - €30,000.
ALDE, Mar. 11: [HERVEY DE SAINT-DENYS (LÉON D')]. Les Rêves et les Moyens de les diriger. Observations pratiques. Paris, Amyot, 1867. €3,000 - €4,000.
ALDE, Mar. 11: GACHET (PAUL-FERDINAND). Les Chats de Gachet (Manuscrit). S.d. [avant mai 1873]. €6,000 - €8,000.
ALDE, Mar. 11: [REDON (ODILON)]. PICARD (EDMOND). Le Juré. Monodrame en cinq actes… Bruxelles, Mme veuve Monnom, 1887. €7,000 - €9,000.
ALDE, Mar. 11: [TOULOUSE-LAUTREC (HENRI DE) ET HENRI-GABRIEL IBELS]. MONTORGUEIL (GEORGES). Le Café-concert. Paris, [1893]. €4,000 - €5,000.
ALDE, Mar. 11: [TERRY (EMILIO)]. Projet de fontaine. Dessin original au stylo et à l'encre noire. 1938. €2,000 - €3,000.
Chiswick Auctions Books & Works on Paper 12th March 2026
Chiswick, Mar. 12: Churchill: The World in Crisis. Inscribed in 4 vols. 1923-31. £18,000 - £22,000.
Chiswick, Mar. 12: Rowling. Harry Potter and the Philosopher's Stone. Inscribed. £6,000 to £8,000.