040107, 240901, 241102, 260108, 280105 - Mythological beings, superbeings, ghosts, aliens. Rectangular or square flags excluding American flag or checkered flag. Crowns open at the top. 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.