The Greek Small Letter Archaic Sampi symbol (ͳ). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Greek Letters.
The quickest way is to copy ͳ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
ͳ is U+0373 (decimal 883).
Use ͳ in HTML to render ͳ on a web page.
On Windows you can type it with Alt+883 (hold Alt and enter the number on the numeric keypad).
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