Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Glyncorrwg Colliery, lamp check
Circular disc with 1mm rim, beading around inside edge of rim on face only, three holes, one centre top, second centre bottom, third middle right edge, raised lettering around outside edge, also below hole No.1, below this stamped numbers in centre, reverse is plain
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.