Photo of Flower arrangement in the shape of a Star of David is from a book with 12 pressed and dried flowers from Jerusalem by Atallah Georges Frères; published around 1898.
This blog (by Zeev Barkan) is dedicated to the Star of David, its history, its various meanings and usages in different cultures. It includes thousands of pictures of Star of David, six-pointed stars, hexagrams, Solomon's Seals, Magen Davids and yellow badges,and served as a resource for three books and four art exhibitions.