https://www.sworder.co.uk/auction/lot/lot-217---a-derbyshire-blue-john-tazza/?lot=471505&so=4&st=&sto=0&au=&ef=&et=&ic=False&sd=1&pp=96&pn=1&g=1
Lot 217 - A Derbyshire Blue John tazza,
Lot 217 - A Derbyshire Blue John tazza,
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https://www.sworder.co.uk/auction/lot/lot-199---a-derbyshire-blue-john-bowl/?lot=471442&so=4&st=&sto=0&au=&ef=&et=&ic=False&sd=1&pp=96&pn=1&g=1
Lot 199 - A Derbyshire Blue John bowl,
Lot 199 - A Derbyshire Blue John bowl,
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