260101, 260528, 260712, 260728, 261710, 261712, 280105 - Circles as carriers or as single line borders. Miscellaneous designs with overall triangular shape. Diamonds with bars, bands and lines. Miscellaneous designs with overall diamond shape, including letters forming or comprising a diamond. Zig-zag line(s). Chevrons and angles. Inscriptions in Greek characters, including the following: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ ς Σ σ Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω.