 The arms show above the fesswise (that is, horizontal) partition a six-spoked silver wheel – the Wheel of Mainz – on the dexter (armsbearer's right, viewer's left) side.This was the heraldic charge borne by the Archbishopric of Mainz, to which the community belonged until the Old Empire's downfall in 1803.It is also shown in Electoral Mainz's tinctures.