Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penyrorsedd Quarry, tallies
160 tallies used at Penyrorsedd Quarry. Stamped with numbers ranging from 100 series to 500 series. Many have been lost.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.