Metal boa constructed of thirty large, long pod shapes made of anodised, dyed and crazed aluminium, the inner surface of each pod gilded with 18 carat green gold leaf: English, London, by Jane Adam, 1999

Torus in Matrix, neckpiece of red anodised aluminium disc with a fretwork surface pattern: England, London, by David Watkins, 2007

One of a group of seven specimens illustrating the manufacture of aluminium, anodised gloss black

One of a group of seven specimens illustrating the manufacture of aluminium, anodised light green

One of a group of seven specimens illustrating the manufacture of aluminium, anodised pink