De Anvlis Signatoriis Antiqvorvm Sive De vario obsignandi ritu Tractatus
A 1615 Latin treatise by Georgius Longus on ancient seals and the ways antiquity sealed documents, printed for scholars and antiquaries. Its pictures are small woodcut device and letter blocks: an ornate initial A with a grotesque mask, a crest with winged griffins flanking a central shield beneath a scroll, and three ornate keys, offering designers compact heraldic and ornamental motifs.


