Once upon a time collectible paper auctions were unusual and well-spaced out. In the past, when there was a quiet month, auction houses took opportunities to have siestas. Anymore, quiet months are opportunities to sell material that need extra visibility. For that, August and January are perfect.
These days we regularly cover 250+ auctions a month. During this August however, we expect to cover a slim 140 sales that convert into 4.5 sales a day. For the rest of the year, the pace will pick up again.
While the auctions need to take some time off, the bidders will still be looking for opportunities. That translates into a higher percentage of lots sold when the sales offered are down. Net net, consignors may be sitting on the edge of their seat it usually works out well.
The prices drop a bit while the percentage of lots sold rise. Why? Because it’s August.
For the knowledgeable, this quiet period represents a chance to test their skills.
Here are the August numbers for the past 15 years:
Year
Total Lots
Lots Sold
% Lots Sold
Ave $ Value
Median Value
Total August Sales
2024
40195
34860
0.867
$1,213.00
$250.00
$42,285,180.00
2023
33377
28736
0.861
$1,784.00
$241.00
$51,265,024.00
2022
29170
25839
0.886
$2,067.00
$275.00
$53,409,213.00
2021
37459
33682
0.899
$1,552.00
$228.00
$52,274,464.00
2020
27823
24034
0.864
$955.00
$200.00
$22,952,470.00
2019
23792
20523
0.863
$1,009.00
$180.00
$20,707,707.00
2018
24489
20558
0.839
$1,370.00
$200.00
$28,164,460.00
2017
17676
14180
0.802
$879.00
$188.00
$12,464,220.00
2016
16641
14087
0.847
$877.00
$180.00
$12,354,299.00
2015
21679
15421
0.711
$790.00
$155.00
$12,182,590.00
2014
18576
15612
0.840
$742.00
$167.00
$11,584,104.00
2013
10996
8465
0.770
$1,336.00
$264.00
$11,309,240.00
2012
7273
5499
0.756
$516.00
$156.00
$2,837,484.00
2011
5213
3885
0.745
$538.00
$192.00
$2,090,130.00
2010
3824
2939
0.769
$559.00
$230.00
$1,642,901.00
Enjoy your vacation. And remember your cellphones can get into your RBH accounts while you’re on vacation.
SD Scandinavian Art & Rare Book Auctions The Odfjell Collection Polar – History – Ornithology – Colour Plate Books Ending December 4th
Scandinavian Art & Rare Books Auctions, Dec. 4: ROALD AMUNDSEN: «Sydpolen» [ The South Pole] 1912. First edition in jackets and publisher's slip case.
Scandinavian Art & Rare Books Auctions, Dec. 4: AMUNDSEN & NANSEN: «Fram over Polhavet» [Farthest North] 1897. AMUNDSEN's COPY!
Scandinavian Art & Rare Books Auctions, Dec. 4: ERNEST SHACKLETON [ed.]: «Aurora Australis» 1908. First edition. The NORWAY COPY.
Scandinavian Art & Rare Books Auctions, Dec. 4: ERNEST SHACKLETON: «The heart of the Antarctic» + SUPPLEMENT «The Antarctic Book», 1909.
Scandinavian Art & Rare Books Auctions, Dec. 4: SHACKLETON, BERNACCHI, CHERRY-GARRARD [ed.]: «The South Polar Times» I-III, 1902-1911.
SD Scandinavian Art & Rare Book Auctions The Odfjell Collection Polar – History – Ornithology – Colour Plate Books Ending December 4th
Scandinavian Art & Rare Books Auctions, Dec. 4: [WILLEM BARENTSZ & HENRY HUDSON] - SAEGHMAN: «Verhael van de vier eerste schip-vaerden […]», 1663.
Scandinavian Art & Rare Books Auctions, Dec. 4: TERRA NOVA EXPEDITION | LIEUTENANT HENRY ROBERTSON BOWERS: «At the South Pole.», Gelatin Silver Print. [10¾ x 15in. (27.2 x 38.1cm.) ].
Scandinavian Art & Rare Books Auctions, Dec. 4: ELEAZAR ALBIN: «A natural History of Birds.» + «A Supplement», 1738-40. Wonderful coloured plates.
Scandinavian Art & Rare Books Auctions, Dec. 4: PAUL GAIMARD: «Voyage de la Commision scientific du Nord, en Scandinavie, […]», c. 1842-46. ONLY HAND COLOURED COPY KNOWN WITH TWO ORIGINAL PAINTINGS BY BIARD.
Scandinavian Art & Rare Books Auctions, Dec. 4: JAMES JOYCE: «Ulysses», 1922. FIRST EDITION IN ORIGINAL WRAPPERS.
Sotheby’s Book Week December 9-17, 2025
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.
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> ROALD AMUNDSEN: «Sydpolen» [ The South Pole] 1912. First edition in jackets and publisher's slip case.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/0a99416d-9c0f-4fa3-afdd-7532ca8a2b2c.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> ROALD AMUNDSEN: «Sydpolen» [ The South Pole] 1912. First edition in jackets and publisher's slip case.")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> AMUNDSEN & NANSEN: «Fram over Polhavet» [Farthest North] 1897. AMUNDSEN's COPY!](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/a077b4a5-0477-4c47-9847-0158cf045843.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> AMUNDSEN & NANSEN: «Fram over Polhavet» [Farthest North] 1897. AMUNDSEN's COPY!")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> ERNEST SHACKLETON [ed.]: «Aurora Australis» 1908. First edition. The NORWAY COPY.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/6363a735-e622-4d0a-852e-07cef58eccbe.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> ERNEST SHACKLETON [ed.]: «Aurora Australis» 1908. First edition. The NORWAY COPY.")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> SHACKLETON, BERNACCHI, CHERRY-GARRARD [ed.]: «The South Polar Times» I-III, 1902-1911.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/3ee16d5b-a2ec-4c03-aeb6-aa3fcfec3a5e.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> SHACKLETON, BERNACCHI, CHERRY-GARRARD [ed.]: «The South Polar Times» I-III, 1902-1911.")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> [WILLEM BARENTSZ & HENRY HUDSON] - SAEGHMAN: «Verhael van de vier eerste schip-vaerden […]», 1663.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/d5f50485-7faa-423f-af0c-803b964dd2ba.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> [WILLEM BARENTSZ & HENRY HUDSON] - SAEGHMAN: «Verhael van de vier eerste schip-vaerden […]», 1663.")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> TERRA NOVA EXPEDITION | LIEUTENANT HENRY ROBERTSON BOWERS: «At the South Pole.», Gelatin Silver Print. [10¾ x 15in. (27.2 x 38.1cm.) ].](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/fb024365-7d7a-4510-9859-9d26b5c266cf.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> TERRA NOVA EXPEDITION | LIEUTENANT HENRY ROBERTSON BOWERS: «At the South Pole.», Gelatin Silver Print. [10¾ x 15in. (27.2 x 38.1cm.) ].")
![<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> PAUL GAIMARD: «Voyage de la Commision scientific du Nord, en Scandinavie, […]», c. 1842-46. ONLY HAND COLOURED COPY KNOWN WITH TWO ORIGINAL PAINTINGS BY BIARD.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/a7c0eda0-9d8b-43ac-a504-58923308d5a4.jpg "<b>Scandinavian Art & Rare Books Auctions, Dec. 4:</b> PAUL GAIMARD: «Voyage de la Commision scientific du Nord, en Scandinavie, […]», c. 1842-46. ONLY HAND COLOURED COPY KNOWN WITH TWO ORIGINAL PAINTINGS BY BIARD.")
![<b>Sotheby’s, Dec. 11:</b> Darwin and Wallace. On the Tendency of Species to form Varieties..., [in:] <i>Journal of the Proceedings of the Linnean Society,</i> Vol. III, No. 9., 1858, Darwin announces the theory of natural selection. £100,000 to £150,000.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/00d5fd41-2542-4a80-b119-4886d4b9925f.png "<b>Sotheby’s, Dec. 11:</b> Darwin and Wallace. On the Tendency of Species to form Varieties..., [in:] <i>Journal of the Proceedings of the Linnean Society,</i> Vol. III, No. 9., 1858, Darwin announces the theory of natural selection. £100,000 to £150,000.")
