The Rare Book Detective: books, type, watermarks: Shield with fleur de lis in cartouche above
The Rare Book Detective: books, type, watermarks: 1570 shield with letters in bend and fleur de lis above
The Rare Book Detective: books, type, watermarks: 1600 shield with bend watermark
The Rare Book Detective: books, type, watermarks: 1650 Crown in shield watermark
The Rare Book Detective: books, type, watermarks: 1611 shield with crown above watermark
The Rare Book Detective: books, type, watermarks: 1615 fish in shield with crown above and cartouche below
The Rare Book Detective: books, type, watermarks: 1572 letter B in shield watermark