US

Remarkable sums were paid for vintage video games at Heritage Auctions – including a record-breaking $1.35m (£1m) bid for Super Mario 64.

London-made flintlocks with a solid provenance to Alexander Hamilton took to the stage at US sale

The sale of European Décor and Design to be held by Skinner in Massachusetts online from July 20-29 will include a large selection of Wedgwood ceramics.

European ceramics from renowned US collector come to the New York rostrum.

Charles Carroll’s printed copy of the Declaration of Independence – discovered earlier this year in a Scottish family home – sold at auction in Philadelphia for $3.7m (£2.85m) plus premium.

Some lots in a recent Chicago sale were quite enormous – like a near-complete run of Limited Editions Club publications from the years 1929-2010.

Kashmir sapphires have acquired a near-legendary status, due to their lustrous cornflower colour, soft velvety texture and extreme rarity.

Over a dozen fine art dealers have joined The Art Dealers Association of America (ADAA) in one of the largest new member classes in the organisation’s history.

A copy of Ratzer’s 'Plan of the City of New York…' offered as part of a Doyle (26/21/15% buyer’s premium) sale in the spring left much to be desired.

The opening lot in Hake’s June 29-30 auction Pennsylvania, is a 1767 promissory note hand-signed by a prominent Virginia slave owner – George Washington.

In 1820 the then US Secretary of State John Quincy Adams commissioned William J Stone to produce a facsimile of the original 'Declaration of Independence'.

Thomaston Place Auction Galleries in Maine kicks off its summer season with a three-day sale from July 9-11 and the return of live in-house bidding.

On July 15, Stair in Hudson, New York, will offer the collection of photographer Luigi Pellettieri.

Poster Auctions International holds a 500-lot auction that includes Art Nouveau, Art Deco, Modern, and Contemporary designs by a mix of designers.

Included in the design sale to be held by Heritage in Dallas on July 15 is this walnut frame from c.1970 by George Nakashima (1905-90).

Doll specialist Theriault’s Summer Marquis auction will be conducted on July 10-11 in Annapolis, Maryland.

The Premier & Emporium Auctions at Brunk on July 9-10 include this large late Victorian silver tray with a shell and scroll border.

'Hunters and Dogs in the Park at Silkwood House, 1886', is an oil on canvas by British equestrian painter Edward Benjamin Herberte (1857-93).