280105, 290304, 290306 - 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. Single color used on a portion of the goods or on a portion of items used in rendering the services: Gray or silver. Single color used on a portion of the goods or on a portion of items used in rendering the services: Green.