AN EARLY 20TH CENTURY AMERICAN SILVER AND OVERLAY GLASS VASE BY ALVIN CORPORATION, of waisted form, decorated with four large lily type flowers with trailing leaves, on a green glass ground, marks to base for Alvin Corporation, 3479, patented, slight lift to silver overlay 40.5cm high Provenance: Property from a private collection of a distinguished American lady, Eaton Square, London.