This Wednesday's watermark comes to us once again from the Islamic Manuscripts Collection - one of the papers in Isl. Ms. 410 to be exact.
The watermark features a waving banner or flag motif with a cross on a pole. As with other featured watermarks we've seen , the mark crosses the fold of the various bifolia in which it appears and so requires a careful look to the gutter.
The upper part of the banner / flag is visible in some folios and the lower part (with long pole) is visible in others.
While numerous watermarks include banners and flags of various types, only a couple of examples from Briquet and Piccard are similar to our mark.
Briquet 5989 appears quite similar in shape if differing slightly in size. It is dated to 1477.
Piccard 122974 and 122975 are also quite similar and dated to 1478-1480.
All in all, a mark of the final decades of the 15th century it would seem. A banner era!
 Piccard Watermark Collection (Wasserzeichensammlung Piccard), online database at: