Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakdale Colliery, check
Square check with hole in one corner. Stamped on one side, blank on other.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Square check with hole in one corner. Stamped on one side, blank on other.