141101, 141102, 170325, 180704, 260521, 280105 - Keys with heads of circular, oval or lobed shape. Keys of some other shape. Other jewelry, including pendants, earrings and brooches. Ships with two or three masts, including brigs, clippers and schooners. Triangles that are completely or partially shaded. 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.