Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, brick
Red brick with three holes, with frog and incised inscription on obverse.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Red brick with three holes, with frog and incised inscription on obverse.