Antique Watermarks

Source:   Monasticon Anglicanum, Or The History Of The Ancient Abbies, And Other Monasteries, Etc., published in 1693
(Third example)

This is an example of a wire watermark. This large watermark consists of a circular shape with curlicue shapes emanating from its outer and inner edges. A crown shape surmounts the main body of the mark

Additional Book Information
Monasticon Anglicanum, Or The History Of the Ancient Abbies, and other Monasteries, Hospitals, Cathedral and Collegiate Churches, in England and Wales. With divers French, Irish, and Scotch Monasteries Formerly relating to England. Collected and Published in Latin, by Sir William Dugdale, Knt. late Garter King of Arms. In Three Volums. And now Epitomized in English, Page by Page. With Sculptures of the several Religious Habits. Licensed, May the 25th, 1692 R. Midgley. (Published at) London: Printed for Sam. Keble at the Turks-Head, in Fleet-street; Hen. Rhodes at the Star the Corner of Bride lane in Fleet-street. 1693