Hemispherical boss divided into six triangular sections by paired lines bounding narrow wrought channels. Nail has gadrooned mushroom-shaped head on a square shank.
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Unknown artist<span style="display: none;">Unknown artist</span></div>
15<sup>th</sup> century <div style="display: none;">date QS:P571,+1450-00-00T00:00:00Z/7</div>
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