The two moulds used to cast axes during the Middle Bronze Age have now been declared treasure
A pair of rare artefacts dating back around 3,400 years to the Middle Bronze Age have been declared treasure after they were uncovered in North Wales almost five years ago. The two bronze mould valves were used to cast palstaves (a kind of axe) during the Bronze Age.
They were discovered by George Borrill, from Llandudno Junction, while metal-detecting on rough pastureland in Conwy on August 12, 2017. Prior to Mr Borrill's find, only 17 such moulds had been found in the UK.
Mr Borrill reported his find to Dr Susie White, Finds Officer for the Portable Antiquities Scheme in Wales (PAS Cymru) and the find was subsequently reported as treasure by curatorial staff based at Amgueddfa Cymru – National Museum Wales. At an inquest held at Ruthin County Hall today (June 1), Kate Sutherland, assistant coroner for North Wales east and central, recorded the find as treasure.
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The moulds are about eight inches in length and feature a single midrib decoration with a side-loop. The two mould valves, which date back to 1400-1275 BCE, once formed a matching pair, the two locking together – one a positive valve with projecting tenons and the other the negative valve with matching recesses.
The outer surfaces have raised rib and moulding decoration, each of a slightly differing design. Adam Gwilt, Principal Curator for Prehistory at Amgueddfa Cymru – National Museum Wales said: “This is a significant new archaeological find for Wales.
"Moulds such as these are quite rare across Britain. They offer us great insights into the bronze casting traditions operating in North Wales during the Middle Bronze Age.
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"The growing evidence for moulds and palstave hoard finds in this area suggests that a range of bronze palstaves with midrib decorations were made here and were then exchanged and transported over long distances at this time, to their place of use. It is likely that the nearby Great Orme Bronze Age copper mines, some of the most important prehistoric mines in Europe and in their heyday during the Middle Bronze Age, provided the local source of copper for bronzesmiths.
"Tin from Cornwall was accessed, to mix with the molten copper to form these bronze artefacts. This matching pair of moulds appears to have been deliberately buried, rather than being recycled at the end of their lives, perhaps during a symbolic act of returning these powerful objects to their place of origin.”
Amgueddfa Cymru – National Museum Wales hopes to acquire this treasure find, following its independent valuation by the Treasure Valuation Committee.