North America

Auction houses will no longer be legally required to publicise guarantees on artworks sold in New York City when a repeal of business regulations goes ahead next month.

Christie’s flagship sales of Modern and Contemporary art in New York produced a running total of $1.25bn (£1.02m) including premium from four evening auctions last week.

This remarkable Baccarat tantalus in the form of an elephant and howdah sold at Can$120,000 (£75,000) at an auction in Victoria, British Columbia.

An historically significant document dating from 1785 and a previously unrecorded campaign handbill concerning the election that saw Thomas Jefferson become the third US president were highlights of a February 17 sale at Freeman’s (26/20/12% buyer’s premium).

Alchemical work is best-seller as Vishniac lots create a valuable mix in the saleroom

Strawser auction group holds a three-day sale series in Indiana on May 25 & 27-28.

Two upcoming lots at US book auctions.

In what was the auction house’s most successful sale ever in financial terms, and one that boasted a 97% selling rate, a March 4 sale at Potter & Potter (20% buyer’s premium) was led at $65,000 (£49,240) by a 'Narrative of Colonel Ethan Allen’s Captivity from the Time of his Being Taken by the British, near Montreal… in 1775, to the Time of his Exchange…in May 1778'.

If social media makes you feel like Big Brother is watching you, and if truth occasionally feels stranger than fiction, then like many bibliophiles you might be exploring books that suggest models for society and the role of the individual.

The six lots described here are drawn from a hugely successful sale of comics and comic art held in Dallas by Heritage (20% buyer’s premium) over four days, from April 7-10.

Specialist toy sales held in April on either side of the Atlantic have yielded some notable prices for items from two specific categories: toys relating to Popeye and a collection of toy boats.

Jason Nazmiyal is the founder of Nazmiyal Collection in New York and specialises in turn-of-the-century antique and vintage rugs and carpets.

The Bizen ware of Kaneshige Tōyō (1896-1967) and the Hagi ware of Miwa Kyūwa (1895-1981) star at 'Branching Out', an exhibition at Joan B Mirviss of New York.

The You Can Be Sure Of Shell adverts are some of the most familiar and renowned examples in British graphic design.

French illustrator Robert Falcucci (1900-89) was famous for his graphic works of the Art Deco era – particularly the Monaco Grand Prix posters.