Aún no tenemos significados para "have a headstone".
1But his grave has never had a headstone, so… Audio
2He led the way forward, looking this way and that, and finally stopped before two graves, neither of which had a headstone.
3Julia buried him, and had a headstone put to his grave; and, when this was done, she took her husband to see it.
4But his grave has never had a headstone, so his family has never known where he was laid to rest - until now.