261502, 261503, 261508, 261512, 261513, 261520, 261521, 261528, 261712, 280105 - Plain single or multiple line polygons. Incomplete polygons and polygons made of broken or dotted lines. Letters, numerals or punctuation forming the perimeter of a polygon, bordering the perimeter of a polygon or forming a polygon. Polygons with bars, bands and lines. More than one polygon. Polygons inside another polygon. Polygons that are completely or partially shaded. Miscellaneous designs with overall polygon shape. Chevrons and angles. 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.