Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Certificate
Coal Mines Act, 1911. Second Class Certificate of Competency. No. '1946'. Issued to William Challenger of Hafodyrynys. Dated 3rd February 1923. William Challenger was a colliery manager. Stuck into card mount.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.