14th Century seal belonging to Lord Bardolf from Norfolk, England
Source: Charles Boutell ( Project Gutenberg) The Handbook to English Heraldry
Thanks to Dobush for referring me to this picture
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.
14th Century seal belonging to Lord Bardolf from Norfolk, England
Source: Charles Boutell ( Project Gutenberg) The Handbook to English Heraldry