The form of Latin S occurs from Greek Σ by dropping one out of your 4 strokes of that letter. The (angular) S-condition made up of a few strokes existed like a variant of your 4-stroke letter Σ now within the epigraphy of Western Greek alphabets, along with the 3 https://charlieldujx.blogzet.com/everything-about-bud-naked-exotic-46183660