Brass, large domed button on which the Arms of the Union of South Africa, being a shield quartered, above the shield a torse on which a lion gardant holding down with its right paw a bundle of four rods tied at the centre, the shield supported to the right by a gemsbok / Oryx gazelle and on the left by a Springbok, across the foot of the shield a scroll on which EX . UNITATE . VIRES (From Unity Strength). Reverse stamped HOBSON & SONS / LONDON. Single central loop to reverse.