Rotating bookmark
It is an ancient symbol used by several cultures, and remains in common use today. It belongs to a class of symbols which are called valknute in Norway.[4]
en.wikipedia.org • Looped Square - Wikipedia
The earliest existing bookmark dates from the 6th century AD and it is made of ornamented leather lined with vellum on the back and was attached with a leather strap to the cover of a Coptic codex (Codex A, MS 813 Chester Beatty Library, Dublin).[2] It was found near Sakkara, Egypt, under the ruins of the monastery Apa Jeremiah. Further earliest bo... See more
Bookmark
