A pin cushion in the form of a chair, the frame brass, the seat red velvet, with impressed standard mark for 1840s

Recommended features

• • 

  • ‘Wherever you see American art, you can be almost certain the Terra Foundation is involved’

    We go inside the foundation created 40 years ago by the printing entrepreneur and collector Daniel Terra

• • 

  • Virtual tour: Modern British Art at Christie's London

    Explore works by the leading British artists and sculptors of the 20th century, to be offered over three auctions in London from 21–23 January