AFTER AUGUST RIEDEL (GERMAN, 1799-1883): A REVERSE-PAINTED GLASS PORTRAIT OF FELICE BERARDI FROM ALBANO, dressed in elaborate costume including a white shawl and headdress, a pink rosette in her hair, seated in a garden setting with orange trees in the distance, 28 x 21cm, in a mahogany frame FOOTNOTES: The original painting was purchased from August Riedel in 1843 by King Ludwig I, and is now in the Neue Pinakothek, Munich, accession no. WAF 830.