Black Welsh Slate 'Pyramid' Lamp Black Welsh Slate Lamp Black Welsh Slate 'Pyramid' Lamp Black Welsh Slate 'Pyramid' Lamp Height to lamp holder 40cm. Height of slate base 13cm. Width of base 19cm square. £80.00 I'm sorry, this lamp is sold but please contact me for delivery times to make a similar one. 0 in your basket View Basket Checkout