LH IIIB sherds have been found at Kotrones.
See:
- William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0064:entry=laconia-geo&highlight=teuthrone
- Richard Hope Simpson, Mycenaean Greece and Homeric Tradition, https://ecampusontario.pressbooks.pub/mycenaeangreeceandhomerictradition/chapter/chapter-1/