At Perdita’s cottage in Windsor Forest, Lionel meets Lord Raymond and the beauteous Idris, his destined bride.
In her pleasant rooms, their alcoves redolent with the sweetest fresh flowers, adorned by antique vases and magnificent casts, and hung with brilliant art—skillful copies she’d painted herself of the best works by Raphael, Correggio, Claude. . .
What’s suggested here, I believe, is that Perdita would have been copying works put on view at Windsor Castle for the benefit of the public—copyists very much included. From current Royal and national British holdings, here are Raphael, Claude, and Correggio:
And here’s a bit of a documentary interview with Conchi Montero Velasco, a former museum guard at the Museo del Prado, talking about the Old Master copyists there when she knew them: