(1969). Watches & Objets de Vertu: Silver & enamel snuffboxes, hardstone seals & other objets de vertu, South Staffordshire & other enamels : various owners, including Mrs Emma Gruenfeld, New York, estates of the late Edward D. King, New York, Count Alfonso P. Villa : public auction, Thursday, June 5, 1969. Parke-Bernet Galleries Inc.
Chicago-Zitierstil (17. Ausg.)Watches & Objets De Vertu: Silver & Enamel Snuffboxes, Hardstone Seals & Other Objets De Vertu, South Staffordshire & Other Enamels : Various Owners, Including Mrs Emma Gruenfeld, New York, Estates of the Late Edward D. King, New York, Count Alfonso P. Villa : Public Auction, Thursday, June 5, 1969. New York, NY: Parke-Bernet Galleries Inc, 1969.
MLA-Zitierstil (9. Ausg.)Watches & Objets De Vertu: Silver & Enamel Snuffboxes, Hardstone Seals & Other Objets De Vertu, South Staffordshire & Other Enamels : Various Owners, Including Mrs Emma Gruenfeld, New York, Estates of the Late Edward D. King, New York, Count Alfonso P. Villa : Public Auction, Thursday, June 5, 1969. Parke-Bernet Galleries Inc, 1969.