Arabic Tombstone from the Cairo Museum

Stars of David flanking an octagram 

engraved on an Arabic tombstone from 8-9th century
exhibited at the Cairo Museum

Source: Signum Salomonis by José Leite de Vasconcelos, 

 1918 [in Portugese] page 79

First (?) Star of David in the Bronze Age in Britain and France

Star of David appears as one of the principal patterns of the Bronze Age in Britain and France

Source: Early Man in Britain and His Place in the Tertiary Period by William Boyd Dakwins, p. 378, London, 1880

Great Britain Bronze Age lasted from 2200 BC to 700 BC