Homme barbu, 18 carat gold, designed by Pablo Picasso, Madoura, France and made by François Hugo, Aix en Provence, France, c. 1950

Finger ring of 18 carat gold with pink trochus shell and diamonds, hallmarked: English, London, by Jacqueline Mina, 1973

Finger ring of 18 carat gold with pink tourmaline and diamonds, hallmarked: English, Buckingham, by Frances Beck, 1969

Finger ring in 18 carat gold with aquamarines and diamonds: British, by Ernest Blyth, 1968

Brooch of acrylic, 18-carat gold and silver, Roger Morris, London, England, 1976

Right-handed silver ring with an angled top out of which lines have been pierced with gold wires set below, and with a square, angular shank: Scottish, by Dorothy Hogg, 1978

Brooch made of felted platinum wire, 24ct gold granules and 18ct gold findings: English, London, by Jacqueline Mina, 1996

Ring, forged 18ct gold, textured platinum top part loosely linked to the shank, with diamond: British, by Jacqueline Mina, 2000

Ring, forged 18ct gold, with platinum tesserae fusion-inlay, top part loosely linked to the shank: British, by Jacqueline Mina, 2000

Brooch entitled 'Love Kit Red', made from silver, coral, sponge coral, garnet, moonstone, cultured pearl, ruby and gold, fabricated from wire and sheet: Scottish, Glasgow, by Jack Cunningham, 2000

Pendant necklace, entitled 'Moving from the Centre No 1,' composed of 18 karat gold and oxidised silver, by Susan Cross, Edinburgh, Scotland, 2001

Bracelet of 18ct Gold with Tourmaline: English, London, designed by Andrew Grima for Hooper Bolton, 1963

Ring of 18ct Gold with Tourmaline: English, London, designed by Andrew Grima for Hooper Bolton, 1963

Necklace, of 18ct gold and white gold, comprising of a large bib pendant of varying geometric and spiral forms on a twisted bar and hoop chain: Swedish, Stockholm, by Claës E. Giertta, 1966