The Rare Book Detective: books, type, watermarks: 1663 Sheep skin over pasteboards
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout I
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout W
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout O
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout I
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout C
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout B
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout I
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout S
The Rare Book Detective: books, type, watermarks: 1663 Factotum or passe-partout T
The Rare Book Detective: books, type, watermarks: 1663 partial crown with letter under watermark
The Rare Book Detective: books, type, watermarks: 1663 P in double line watermark (partial)