London

This 1642 silver medal by the German medallist Sebastian Dadler (1586-1657) celebrates the arrival in the Netherlands of Princess Mary (1631-60), eldest daughter of Charles I and sister of the future Charles II.

Few photographers were as explicit about the purpose of their work as Gordon Parks (1912-2006), who in 1967 described the camera as his “choice of weapon” against racism, discrimination and poverty.

This array of jewels formed part of the first tranche of a remarkable private collection sold by Catherine Southon (23% buyer’s premium) in Chislehurst.

This pair of late Georgian silver spurs are hallmarked for London 1812 and carry the maker’s mark JA, probably for the specialist buckle maker John Atkins.

News of west London dealer collective holding a pop-up – plus lots more to visit in bustling Chiswick

Gordon’s working life began as an English and drama teacher but his love of antiques led him to begin dealing from stalls at Bermondsey and Portobello Road Markets in the 1960s, fitting his antique life around his teaching job while raising a young family.

Beauty, unease and nostalgia marked the works of the British Neo- Romantic artists.

The huge changes that Florentine art underwent in the 15th century are illustrated by two pictures in Robilant + Voena’s latest exhibition in London: an altarpiece by Neri di Bicci (1419-91) and a Madonna and Child by his pupil Francesco Botticini (1446-97).

Special sale focuses on the death of Nelson, the first commoner given a state funeral

Twenty-five artworks have been listed as missing and registered with the Art Loss Register (ALR) following the administration of Trinity House Paintings.

London numismatic auction house Morton & Eden is offering a silver plaquette by the great Dutch silversmith Paulus van Vianen (1570-1613).

Veteran dealer Peter Petrou looks back on five decades in the trade ahead of an auction of items from his collection

Collection of molecular biologist Brenner attracts a lively response