Our antique Whitby Jet brooches date to the heyday of Victorian production 1860-1880. They are guaranteed to be good quality Whitby Jet. It’s worth remembering that many simulants were used in the imitation of Whitby Jet at this period including early plastics and foreign natural jet materials. Due to the nature of Whitby Jet and the fact that these brooches are approaching 150 years old, there may be small nibbles to some of the edges. Often the pins have been replaced or reglued. We do not feel that these affect the wearability or beauty of the piece.