Here’s a link about the stone: cesmap.it/cesmap/scavi_pinerolesi/peira.htm Image credit: Ligurian Tommy Leggy Ligurian Tommy Leggy Aug 28, 2009
Link Peira Eicrita Engraved stone Ligurian Tommy Leggy Aug 28, 2009 Peira Eicrita Site’s description (in french) where the Stone is defined as an astronomic observatory of the Bronze Age.