The Rare Book Detective: books, type, watermarks:
1719 ProPatria watermark on flypapers
The Rare Book Detective: books, type, watermarks:
1719 Pro Patria watermark 2
The Rare Book Detective: books, type, watermarks:
1553 Pro Patri (partial)
The Rare Book Detective: books, type, watermarks:
fullsizeoutput_101f
The Rare Book Detective: books, type, watermarks:
ProPatria full sheet
The Rare Book Detective: books, type, watermarks:
1772 Propatria Watermark