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Amgueddfa Cymru – Museum Wales
New, fresh, high quality reddish blue slate block from Penrhyn Quarries, Bethesda. The block is split (by staff at the Welsh Slate Museum) into five sections of 8 thickness (2004.22/1), 4 thickness (2004.22/2), 2 thickness (2004.22/3) and two single thickness (2004.22/4-5).
