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Amgueddfa Cymru – Museum Wales
The Aberdare and Plymouth Company Limited, £500 "B" debenture, 1877, black and red on green. * Black and red print on green paper with handwritten details completed in black ink. Embossed company seal on lower right hand corner. 1 £500 debenture numbered 334. Dated 12 September 1877. Regulations printed on reverse.
