LOT:304 | A Blue John bowl.
A BLUE JOHN BOWL - A BLUE JOHN BOWL | Fine Furniture | Mackinnon
Blue John Ornamental Items | Shop Online | Blue John Gems Ltd
Blue John Bowl - Treak Cliff Blue BJB82 | Treak Cliff Cavern
Lot 1131 - Very large, 18th/19th century Blue John
Blue John (mineral) - Wikipedia
.jpg?mode=max "AN EARLY VICTORIAN BLUE-JOHN BOWL")
AN EARLY VICTORIAN BLUE-JOHN BOWL
LOT:232 | A Blue John bowl.
Pair Blue John Fluorite Bowls Vases English
Blue John Bowl - Treak Cliff Blue BJB36 | Treak Cliff Cavern
Blue John Ornamental Items | Shop Online | Blue John Gems Ltd
File:Treak Cliff Cavern - Blue John ornament - Andy Mabbett - 12.JPG - Wikimedia Commons
Regency History: Blue John: Britain's Georgian gemstone
Lot 267 - A blue john style polished hardstone bowl,
Blue John Bowl - Treak Cliff Blue Vein - TCC70 | Treak Cliff Cavern
Blue John Bowls, Goblets, Chalices and Tazzas Archives | Treak Cliff Cavern
Lot-Art | A small Blue John bowl. View more details
Nicholas Lysaght Unique Large Solid Blue John & Gold Bowl 10kg++ Superb & Rare | eBay
LOT:229 | A Blue John bowl.
Rare Derbyshire Blue John collection to be sold in Birmingham - Birmingham Live
Rare Derbyshire Blue John collection to be sold in Birmingham - Birmingham Live
