Geison block from Pentelic marble. Front view ... Gartsos Horizontal (normal) ... January 1966
Geison block from Pentelic marble. Back view ... Horizontal (normal) ... January 1966
Geison block from Pentelic marble. Back view ... AMS Horizontal (normal) ... January 1966
Geison block from Pentelic marble. View from above ... Gartsos Horizontal (normal) ... January 1966