180704, 240102, 240907, 250325, 280105 - Ships with two or three masts, including brigs, clippers and schooners. Shields or crests with figurative elements contained therein or superimposed thereon. Banners. Backgrounds covered with other figurative elements or repetitive designs, words or letters. 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.