The scallop shell is the traditional emblem of James , son of Zebedee , and is popular with pilgrims on the Way of St James to the apostle 's shrine at Santiago de Compostela in Galicia ( Spain ) .
The scallop shell is the traditional emblem of James , son of Zebedee . It is popular with pilgrims on the Way of St James to the apostle 's shrine at Santiago de Compostela in Spain .