Mae'r cwcis hyn yn gwbl angenrheidiol ar gyfer weithrediad y wefan.
Rydym yn defnyddio Google Analytics i fesur sut ydych yn defnyddio'r wefan er mwyn i ni ei wella yn seiliedig ar angen defnyddwyr.
Gall y cwcis hyn gael eu gosod gan wefannau trydydd parti a gwneud pethau fel mesur sut rydych yn gwylio fideos YouTube.
Amgueddfa Cymru
Memorial ring containing the hair of Dr Richard Price and Benjamin Franklin, late 18th century. The inscription engraved on the inside reads: 'Benjamin Franklin died 17 April 1790.' The inscription engraved on the outside reads: 'Rich'd Price D.D. Died 19 April 1790.'
A gold ring which has an oval bezel which is surrounded by diamonds. The bezel contains a lock of hair. There are engravings on the inside of the band and on the outer surface.