stall plates, though far from being identical in shape, all appear to be of the same class or type of tilting-helm drawn in profile. Amongst the early plates only one instance (Richard, Duke of Gloucester, elected 1475) can be found of the barred helmet. This is the period when helmets actually existed in fact, and were actually used, but at the end of the sixteenth and the beginning of the seventeenth centuries, when the helmet was being fast relegated to ceremonial usage and pictorial emblazonment, ingenious heralds began to evolve the system by which rank and degree were indicated by the helmet.
 Fig. 608.—Pageant Helmet, with the Crest of Burgau. |
 Fig. 609.—Pageant Helmet, with the Crest of Austria (ancient) or Tyrol. |
Before proceeding to consider British rules concerning the heraldic helmet, it may be well to note those which have been accepted abroad. In Germany heraldry has known but two classes of helmet, the open helmet guarded by bars (otherwise buckles or grilles), and the closed
