The Rare Book Detective: books, type, watermarks: Crown with letters in cartouche under (partial)
The Rare Book Detective: books, type, watermarks: Crown with letters in cartouche
The Rare Book Detective: books, type, watermarks: 1570 Crown with 6 pointed star above watermark
The Rare Book Detective: books, type, watermarks: 1650 Backside of Map with watermark
The Rare Book Detective: books, type, watermarks: 1650 Crown in shield watermark
The Rare Book Detective: books, type, watermarks: 1538 crown and shield watermark
The Rare Book Detective: books, type, watermarks: 1656 Partial watermark: crown above circle
The Rare Book Detective: books, type, watermarks: 1615 fleur de lis with crown above watermark
The Rare Book Detective: books, type, watermarks: 1615 crown and cartouche watermark