The Rare Book Detective: books, type, watermarks:
1484 Cardinal's hat watermark
The Rare Book Detective: books, type, watermarks:
1532 watermark on back fly
The Rare Book Detective: books, type, watermarks:
1532-34 Imperial hat
The Rare Book Detective: books, type, watermarks:
1532-34 Imperial hat
The Rare Book Detective: books, type, watermarks:
1532-34 Imperial hat
The Rare Book Detective: books, type, watermarks:
1533 mitre watermark
The Rare Book Detective: books, type, watermarks:
1550 cardinal hat with cross and 3 mounds watermark
The Rare Book Detective: books, type, watermarks:
1575 Imperial hat watermark
The Rare Book Detective: books, type, watermarks:
Cardinal hat
The Rare Book Detective: books, type, watermarks:
Cardinal Hat with crossed daggers
The Rare Book Detective: books, type, watermarks:
Imperial crown (partial)