This plaque is based on an engraving by Paul Pontius after Anthony Van Dyck's painting of the Blessed Hermann Joseph kneeling before an apparition of the Virgin Mary, 1630, and now in the Kunsthistorisches Museum, Vienna.
Charles II style toilet services and silver-gilt caskets enjoyed a renaissance in the 1820s. Possibly inspired by the famous Calverley Service of 1683 (now in the Victoria and Albert Museum), they are set with antique plaques depicting stories from classical mythology or religious scenes, like the present lot.
The present lot is part of a group of 19th century caskets and boxes that are engraved with similar inscriptions. They include one sold by the Trustees of the Swinton Settled Estates, Christie's, London, 26 November 1975, lots 170 - 171, another sold, Christie's, New York, 29 April 1987, lot 271, and Sotheby's, London, 20 June 1974, lot 125.