London, South Kensington
21 November 1991
A Minton majolica nautilus shell vase, naturalistically coloured and supported by two dophins on seaweed on a fluted oval base, impressed mark, 1864 -- 9½in. high. (stained).
Contact Client Service
New York +1 212 636 2000
London +44 (0)20 7839 9060
Asia +852 2760 1766
From unsolved art crimes to rare archive recordings — Harry Seymour rounds up the pick of art-world listening from around the globe
Ai Weiwei and Jeff Koons are there, but can you guess the other names — some of them rather less familiar — on our list of influential Instagram feeds?