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Amgueddfa Cymru – Museum Wales
National Coal Board South Western Division Area No 4 (Aberdare) Underground Safety Competition 1963 Group (iii) Collieries Employing Less Than 500 Men. Area Award for Colliery with the Best Record of Improvement Over the Year. First Prize Aberpergwm Colliery. Printed on cream paper with NCB coat of arms at top.
