The Rare Book Detective: books, type, watermarks: Cardinal Hat with crossed daggers
The Rare Book Detective: books, type, watermarks: 1628 Dagger in shield with crown above
The Rare Book Detective: books, type, watermarks: 1628 dagger in shield with crown above watermark
The Rare Book Detective: books, type, watermarks: 1615 sword and stone watermark
The Rare Book Detective: books, type, watermarks: 1584 dagger (with flag?) watermark
The Rare Book Detective: books, type, watermarks: 1584 dagger (with flag?) watermark