Panagia tholos tomb in Argolis dates to 1450-1400 BC.
See:
- A.J.B. Wace ‘The report of the school excavations at Mycenae’, BSA 25, 1921-1923.
- Maureen Joan Alden: Bronze Age population fluctuations in the Argolid from the evidence of Mycenaean tombs, P. Åström, 1981
- Dudley J. Moore: In Search of the Classical World: An Introduction to the Ancient Aegean, Cambridge Scholars Publishing, 2015, pp.45 ff.
- Nil Dirlik, The Tholos Tombs of Mycenaean Greece, Master’s thesis in classical Archaeology and Ancient History, Uppsala University 2012 [https://www.diva-portal.org/smash/get/diva2:533583/FULLTEXT01.pdf]