Bronze Age Gold from Wales

Two letters attached with a paperclip. Both letters relate to tests carried out on Oxfordshire Ore. Letter from the Coppee Company (Great Britain) Limited, typed in black ink on company headed paper. Sent from the Coppee Company (Great Britain) Limited to the British (Guest Keen Baldwins) Iron & Steel Co. Ltd., East Moors, Cardiff. Dated 23rd December 1930. Also a copy of a two-page letter from Aktiebolaget Ferriconcentrat, typed in black ink on cream paper. Dated 20th December 1930.