14 Rutland Gate
London SW7 1BB
Hand-carved Californian grey porphyry
This rare grey porphyry is from a now hidden locality in Southern California. There is said to be no more extractable since a motorway was built over the site. This kind of porphyry is sometimes known as ‘Chinese Writing Stone’.
Height 6.5cm (2 1/2")
Diameter 7cm (2 3/4")