JOHN HALL COLLECTION: Original WATER COLOUR PAINTING: Duchess Tribute Mine California Gully. Signed in bottom LH corner by John Hall. Dated 2013. Written in pencil at top Devonshire group of Mines. Snob's Hill and Mungo Mines in the background. Written on bottom edge Duchess Tribute, South Devonshire West United Devonshire, Phoenix, Duchess of Edinburgh, United Devonshire.John Hallartwork, water colour, gold mines