Tiffany Studios Favrile Glass Green Pastel Irisdescent Bowl. Blown and moulded glass with broad rim, tapering bowl, and slight foot. Green-yellow iridescent rim, and white ribbons. Polished pontil. Etched L. C. Tiffany Favrile and number 1772 to rim of base. Museum inventory written on the bottom. American, New York. Circa 1920-1925. {Approximate dimensions: 2 3/4 high x 9 1/4 inches diameter.}. Deaccessioned from the Fine Arts Museums of San Francisco. Condition: Small dark streaks to the sides. Minimal wear to the bottom.