031519, 031524, 031525, 260101, 260108, 280105 - Birds or bats in flight or with outspread wings. Stylized birds and bats. Other birds. Circles as carriers or as single line borders. Letters, numerals or punctuation forming or bordering the perimeter of a circle. 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.