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This bronze Lantaka ship’s swivel gun/signal cannon is one of the antique firearms to be offered by Cordier Auction in a July 30 auction of more than 350 lots of militaria and firearms.

A sale entirely devoted to memorabilia from the world trade fairs and exhibitions is to be held by Grays Auctioneers in Cleveland, Ohio, on July 31.

A superb suite of the original ink and gouache drawings – one shown here – made by Carl Otto Czeschka to illustrate a 1908 edition of Die Niebelungen dem Deutschen Volke sold at $290,000 (£224,805) in a Sotheby’s New York (25/20/12.5% buyer’s premium) sale of June 6 called Important Design.

Multi-consignments from single-owner collections and a smorgasbord of different collecting categories provided bidders with a huge choice of vintage toys in specialist auctioneer Bertoia’s (20% buyer’s premium) sale on June 2-3.

Translated from a Paris version that had appeared earlier in that same year of 1535, an 8pp German newsletter giving an account of the execution of Thomas More sold for $11,500 (£9055) as part of the Eric Caren archive at Christie’s New York (25/20/12% buyer’s premium) on June 15.

Antoine de Saint-Exupéry’s much-loved tale of The Little Prince was first published in New York in 1943, with Reynal & Hitchcock issuing it in both French and English versions.

Sold by RR Auction (25/22.5% buyer’s premium) on June 14 was a financial document of November 1721 bearing the signature of Isaac Newton – an order to pay to a Dr Francis Fauquier the dividend due on his substantial investment in the South Sea Company.

Marc Lescarbot’s Nova Francia… of 1609 is an account of French settlements in North America and what we now think of as Nova Scotia and Canada. It predates the more famous first accounts of Champlain’s voyages and discoveries by three years.

Preserved in a fine contemporary binding of crimson morocco gilt that seems likely to have been specially commissioned by the artist from Pasqual Carsi y Vidal, a leading Madrid binder, a rare presentation set of Goya’s Los Caprichos prints sold for $500,000 (£393,700) at Christie’s New York (25/20/12% buyer’s premium) on June 15.

Ahead of the autumn sale of a star lot, Phillips' watch expert Aurel Bacs tells ATG why the time is right for the firm to expand its US watch business

The “oldest mathematical textbook still in common use today”, according to Printing and the Mind of man, is that written around 300BC by the Greek mathematician, Euclid of Alexandria.

One of the odder lots I have stumbled across in the many June book sales is a worn and soiled 12pp autograph catalogue, or calendar of “35 nude male races held on Kersal Moor [near Manchester] between 1777 and 1811”.

The collection of Tiffany jewels offered by Christie’s New York (25/20/12% buyer’s premium) on June 20 was the finest at auction in recent memory.

Last offered at auction at Parke-Bernet in New York in 1945, as part of the famed Bronson Winthrop collection, a drawing made by John Tenniel for Alice through the Looking-Glass made $16,000 (£12,600) at Sotheby’s New York (25/20/12.5% buyer’s premium) on June 13 – though the saleroom had hoped it might make twice that sum.