I don't think they were designed to look like delicious brazil nuts in their shells, but that's what they remind me of. Such a tactile, pleasing shape, they look good enough to eat! By Jane Shilton, although not signed.
 
Length: 3.8cm
Width: 3cm
 
Era: 1980s
Condition: Excellent, one previous owner, bought at Fenwick, London
Product code: ASJ-0692