Design Feature:
|
(1) Elongated surfaces with one short side convex or concave
(2) Elongated surfaces with dark surfaces
(3) Rectangles
(4)
(5)
(6) Quadrilaterals containing one or more letters
(7) Quadrilaterals with inscriptions projecting beyond one or more of the sides thereof
(8) Quadrilaterals containing one or more rounded corners
(9) Letter “P”
(10) Letter “R”
|