Design for an aigrette with five plumes set in table-cut emeralds and rubies rising from a coronet of diamonds (? sapphires) surmounting a large emerald with an elaboration of rose cutting, set in a crescent of rose-cut rubies and table-cut diamonds, from an album of jewellery designs. The gold stem had pounced decoration. The album consists of three preliminary leaves of contemporary laid paper (two with unidentified watermarks), forty leaves of vellum and three final leaves of paper corresponding to those at the front of the album. Inserted are nine sheets of paper and three of vellum bearing designs, notes, transcripts of letters etc. 92 pages, full-bound in contemporary calf skin, gold-tooled, gilt edges, with fragments of green silk ties on the fore-edges of the front and back covers. The drawings are in pencil, pen and ink, wash, body-colour and gold.