Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Deep Duffryn Colliery, lamp check
Circular disc with 1mm rim, single circle with raised lettering around outside edge, hole punched top centre, below is a letter and below this a number, both punched, reverse is plain
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.