DescriptionGreekletterlunateSigma with dot.svg English: Greek capital dotted lunateSigma symbol (Ͼ); Greek small dotted lunateSigma symbol (ͼ). Vertical
DescriptionGreekletter reversed lunateSigma with dot.svg English: Greek capital reversed dotted lunateSigma symbol (Ͽ); Greek small reversed dotted lunate Sigma