Gravestones

1 clue
They often display two years
Similar answers:
Andstones
Arrowstones
Astones
Birthstones
Blackstones
Boostonesmorale
Brownstones
Burstonesbubble
Bustoneshump
Castonesspellon
Cherrystones
Copestones
Cornerstones
Cradletograve
Douggraves
Eadstones
Earlygrave
Earstones
Engrave
Engraved