Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tie bar from Griffin Mine
Tie bar from Big Vein old workings, Griffin Mine Works, Pwll Du, Blaenavon.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Tie bar from Big Vein old workings, Griffin Mine Works, Pwll Du, Blaenavon.