optiSeis

#Sporting articles, roundabouts #Circles #Letters or numerals forming geometrical figures, written or typographical matter in perspective #Letters or numerals representing a human being, an animal, a plant, a heavenly body, a natural phenomenon or an object #Targets #More than two circles, inside one another, spirals #Circles containing one or more letters #Letters or numerals forming a circle or a circumference #Letters or numerals representing a human being or a part of the human body, an animal or a part of an animal's body, a plant, a heavenly body, a natural phenomenon or an object #Letters or numerals representing a figurative element