signed book

Sotheby’s Contemporary Art Evening Auction, which will take place in London on the 3rd of October 2019, will offer a Jean-Michel Basquiat acrylic, silkscreen ink and oil stick on canvas titled “PYRO”, signed and dated 1984 on the reverse. This is the highlight of the event and is estimated to sell for …….., “Estimate upon […]

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Rare, Signed and Forged

by Admin on September 26, 2014

As there has been an unfortunate increase in the number of forged signatures over the last few years, I have cut back my purchasing of rare books that are signed by their authors and are not guaranteed to be genuine. The following guidelines that I have collected from a variety of sources have proven to […]


In last quarter’s Rare Book Sale Monitor (RBSM) update we outlined how the RBSM handles the ranking of a book’s condition. In this update we will go over some of the workings of the RBSM engine in ranking special features of an antiquarian volume. More specifically, we will cover modeling aspects used to identify data […]


Rare Book Provenance

by Liz on August 29, 2013

If you had a choice between copies of the same book that either came with a provenance file or without one, which would you choose? The answer is a no brainer for the majority of we collectors. But what if the price was higher for the provenance file accompanied copy? How much more would you […]

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The Treasures Laid-In

by The bookworm on November 16, 2012

Often times dealers are selling, along with a particular rare book, other important material that was laid into the book by the owner, author or publisher either for reference or unintentionally. An item laid-in is something which is included with, but not attached to the book, such as a sheet of paper, a card, a […]


Slow but Steady

by The bookworm on July 9, 2011

Ask any rare book dealer – “how’s business” and the response may very well be – “slow but steady.” Regardless of whether selling books on-line or through bricks and mortar outlet stores, the nature of the business is not very volatile with peak and valley type of activity. It is a business that can never […]