About this lot

Description

An oval blue john brooch set in gold, the low cabochon blue john displaying strong and crimped colour bands, collet set to a pierced frame of undulating leaves and berries, Birmingham hallmarks for 9ct gold, date letter indecipherable; clasp with safety catch, length 4.2cm, in its original box inscribed on the lid 'Blue John Specialists, The Toll Bar, Castleton, Sheffield, Hope Valley 20512'

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