| Description | English: Crowned Salamander, printer’s mark of Hieronymus Scotus, Venice, middle 1500s |
| Date | 1547 |
| Source | De lumbricis alvum occupantibus, ac de ratione curandi eos (https://archive.org/details/delumbricisalvum00gabu) |
| Author | Anonymous |
| Description | English: Sibyl, printer’s mark of Michele Tramezzino of Venice |
| Date | 1549 |
| Source | De Antiquitatibus urbis Romae (https://archive.org/details/deantiqvitatibvs00faun/page/n3/mode/2up) |
| Author | Anonymous |
| Description | English: Two-tailed mermaid used as printer’s mark by the heirs of Petrus Ravanus in Venice |
| Date | 1550 |
| Source | Grammaticae institutiones (https://archive.org/details/bub_gb_fFJHW0aDyzQC/page/n697/mode/2up) |
| Author | Anonymous |
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