The De Bar Hours (W.93), likely created as a wedding gift for a young bride in early 14th century France, is an unusual manuscript with lacy rosettes cut into every one of its parchment margins.

Curator Lynley Herbert and conservator Abigail Quandt will reveal how they proved that the cutting was original to the manuscript’s original creation ca. 1310, a fact that could make it the earliest known book of its kind.

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