Store › Solomon's Seal (Polygonatum biflorium) Image 1 of 1 Solomon's Seal (Polygonatum biflorium) from $24.95 Solomon's Seal (Polygonatum biflorium), single herb tincture. Size: Select Size 100mL 250mL 500mL 1000mL Add To Cart Added! Solomon's Seal (Polygonatum biflorium), single herb tincture.