Mason’s marks? Letters inscribed on the upper surface of the
triglyph frieze of the proscaenium of the theater.
[ ]
Boiotia — Oropos (Skala) — Amphiareion — undated — PAAH (1926) 105-106
| a.1 | Γ, Λ (= Δ) |
| b.1 | Ε |
| c.1 | Θ. |