The form of Latin S occurs from Greek Σ by dropping 1 out on the four strokes of that letter. The (angular) S-form composed of 3 strokes existed for a variant of your 4-stroke letter Σ now in the epigraphy of Western Greek alphabets, along with the 3 and four https://s07531.blog-kids.com/31486462/examine-this-report-on-s