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Amgueddfa Cymru – Museum Wales
Marconi's Wireless Telegraph Company Limited, 10 shillings ordinary shares, 1928, brown, black and green on white. * Brown, black and green print on white paper with handwritten details completed in black ink. (Details are in English, French and Italian). Ornate border surround. 20 10sh shares numbered 1951856 to 1951875. Certificate number 'C46905'. Dated 18 October 1928.
