Inside the numbers the material suggests a different tact from recent California auction experience. These sales are extensive, sometimes expensive and broad in their scale and presentation. The aggregate low estimate of the historical manuscripts & autographs auction is $767,150, the rare books auction $2.455 million. The cataloguing and photography are detailed, the presentation full color. The two catalogues weigh four pounds, coffee table material from the get-go.
In the face of declining sales over the past year many auction houses have become insistent that consignors accept lower reserves. Heritage seems to be employing the same logic, listing both estimated full values and starting bids which are low enough to let the market recalibrate value if the demand is not there. The starting bid, in the Heritage formula, is always the lowest price the consignor will accept. Employing such methodology roughly 70% + of lots change hands at auction.
Unsold lots are then posted as Post Auction Buys for two weeks at the starting bid and in some cases on a MAKE AN OFFER basis. In this way both Heritage, consignors and bidders have second chances to complete sales.
So what's in the manuscript sale? There are photographs, signed documents, broadsides and ephemera. Some examples:
An early Constable Wyatt Earp autograph endorsement estimated $25,000 to $35,000. The bidding opens at $12,500.
The colonial Boston ledger of William Blair Townsend, a merchant, covering the period 1743 to 1774, hand copied letters containing perspective on the economic causes leading up to the Revolution. Estimated at $4,000 to $6,000 the bidding opens at $2,000.
A Mary Todd Lincoln autograph letter signed with carte de visite and a book by Elizabeth Keckley. Mrs. Lincoln, following the death of her husband, wrote a note attempting to intercede on behalf of her friend and helper Elizabeth Keckley. Such post-assassination letters, written while Mrs. Lincoln was still in the White House, are rare. Estimated $12,000 to $15,000, the bidding opens at $9,000.
As to what is in the book sale in the afternoon, here are a few examples -
Samuel Clemen's copy of The Navigator, the 1811 edition. A very nice association copy with a starting bid of $5,500;
A first edition of Richard Henry Dana's Two Years Before the Mast, a "superb, robust copy." The bidding starts at $1,250;
First issue of Political Debates between Hon. Abraham Lincoln and Hon. Stephen A. Douglas, in the Celebrated Campaign of 1858,... Columbus, 1860, in fine condition. Starting bid $2,000;
Sotheby’s, Dec. 11: Darwin and Wallace. On the Tendency of Species to form Varieties..., [in:] Journal of the Proceedings of the Linnean Society, Vol. III, No. 9., 1858, Darwin announces the theory of natural selection. £100,000 to £150,000.
Sotheby’s, Dec. 11: J.K. Rowling. Harry Potter and the Philosopher's Stone, 1997, first edition, hardback issue, inscribed by the author pre-publication. £100,000 to £150,000.
Sotheby’s, Dec. 11: Wolfgang Amadeus Mozart. Autograph sketchleaf including a probable draft for the E flat Piano Quartet, K.493, 1786. £150,000 to £200,000.
Sotheby’s, Dec. 12: Hooke, Robert. Micrographia: or some Physiological Descriptions of Minute Bodies made by Magnifying Glasses. London: James Allestry for the Royal Society, 1667. $12,000 to $15,000.
Sotheby’s, Dec. 12: Chappuzeau, Samuel. The history of jewels, first edition in English. London: T.N. for Hobart Kemp, 1671. $12,000 to $18,000.
Sotheby’s, Dec. 12: Sowerby, James. Exotic Mineralogy, containing his most realistic mineral depictions, London: Benjamin Meredith, 1811, Arding and Merrett, 1817. $5,000 to $7,000.
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Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 156: Cornelis de Jode, Americae pars Borealis, double-page engraved map of North America, Antwerp, 1593.
Swann, Dec. 9: Lot 206: John and Alexander Walker, Map of the United States, London and Liverpool, 1827.
Swann, Dec. 9: Lot 223: Abraham Ortelius, Typus Orbis Terrarum, hand-colored double-page engraved world map, Antwerp, 1575.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 233: Aaron Arrowsmith, Chart of the World, oversize engraved map on 8 sheets, London, 1790 (circa 1800).
Swann, Dec. 9: Lot 239: Fielding Lucas, A General Atlas, 81 engraved maps and diagrams, Baltimore, 1823.
Swann, Dec. 9: Lot 240: Anthony Finley, A New American Atlas, 15 maps engraved by james hamilton young on 14 double-page sheets, Philadelphia, 1826.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 263: John Bachmann, Panorama of the Seat of War, portfolio of 4 double-page chromolithographed panoramic maps, New York, 1861.
Swann, Dec. 9: Lot 265: Sebastian Münster, Cosmographei, Basel: Sebastian Henricpetri, 1558.
Swann, Dec. 9: Lot 271: Abraham Ortelius, Epitome Theatri Orteliani, Antwerp: Johann Baptist Vrients, 1601.
Swann Maps & Atlases, Natural History & Color Plate Books December 9, 2025
Swann, Dec. 9: Lot 283: Joris van Spilbergen, Speculum Orientalis Occidentalisque Indiae, Leiden: Nicolaus van Geelkercken for Jodocus Hondius, 1619.
Swann, Dec. 9: Lot 285: Levinus Hulsius, Achtzehender Theil der Newen Welt, 14 engraved folding maps, Frankfurt: Johann Frederick Weiss, 1623.
Swann, Dec. 9: Lot 341: John James Audubon, Carolina Parrot, Plate 26, London, 1827.