A few examples of appraisal values for
TIFFANY STUDIOS GLASS JEWEL

• Tiffany Studios (American 20th
  Tiffany Studios (American 20th century) FOUR WORKS: JEWELRY LAMP AND GLASS DESIGNS watercolor and gouache unframed one stamped on verso: Tiffany studios New York H3 1/2'' W4 1/2'' to H13 1/4'' W8 1/4'' (4pcs) Provenance: Colorado collection. Good original condition with normal wear consistent with age such as toning to paper puckering to paper and wear to corners and along edges.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Three Table Articles iridescent glass flower bowl marked '9176 J L.C.T. Favrile,' cup marked 'L.C.T.,' and vase unmarked H 4 1/2 x Diameter 4 1/4 inches (flower bowl).
• TIFFANY STUDIOS JEWELED
  TIFFANY STUDIOS JEWELED CANDLESTICKS Tiffany Studios Jeweled CandlesticksCirca 1910. Patinaed bronze and favrile glass. Impressed 'TIFFANY STUDIOS NEW YORK 1210'.
• TIFFANY STUDIOS, NEW YORK PLATES,
  TIFFANY STUDIOS, NEW YORK PLATES, BOWL AND ART GLASS VASE Early 20th century.
• TIFFANY STUDIOS, (12) FAVRILE GLASS
  TIFFANY STUDIOS, (12) FAVRILE GLASS WINE GOBLETS c. 1910, American, gold iridescent glass, simple round body on straight stem, each diamond etched "LCT" and individually numbered, 6.25"h x 3.25"dia
• TIFFANY STUDIOS BRONZE AND GLASS
  TIFFANY STUDIOS BRONZE AND GLASS JEWELRY BOXTiffany Studios Bronze and Glass "Grapevine" Jewelry Box, early 20th c., marked TIFFANY STUDIOS/NEW YORK/816", two removable trays, on ball feet, h. 3 in., w. 6 3/4 in., d. 4 in.
• TIFFANY STUDIOS, NEW YORK JEWEL AND
  TIFFANY STUDIOS, NEW YORK JEWEL AND FEATHER TABLE LAMP Early 20th century. Brownish green patina.
• TIFFANY STUDIOS, NEW YORK TWO
  TIFFANY STUDIOS, NEW YORK TWO 'FAVRILE' STEMMED GLASSES, CIRCA 1905 engraved iridescent glass, etched L.C.T.(2)tallest 16.5cm high
• Tiffany Studios. Collection of
  Tiffany Studios. Collection of twenty-six Favrile glass fragments and balls. c. 1910, ½ h × ¾ dia in. result: $1,235. estimate: $1,200–1,800. Provenance: Private Collection, New York
• TIFFANY STUDIOS, NEW YORK JEWELED
  TIFFANY STUDIOS, NEW YORK JEWELED FOUR LIGHT SCONCE circa 1905. patinaed bronze and favrile glass.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Bowl favrile glass marked L.C.T. Favrile to underside Diameter 6 1/4 inches.
• TIFFANY STUDIOS, NY BRONZE &
  TIFFANY STUDIOS, NY BRONZE & GLASS PRISM LAMP Impressed 'TIFFANY STUDIOS, 509'. Brownish-green patina.
• Tiffany Studios D
  Tiffany Studios D
• TIFFANY STUDIOS, NEW YORK DECORATED
  TIFFANY STUDIOS, NEW YORK DECORATED OIL LAMP patinaed bronze and favrile glass.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Dish favrile glass base marked 'L.C.T. Favrile' H 1 3/4 x diameter 7 inches. Property from the Collection of Dr. Kianoosh Jafari
• TIFFANY STUDIOS, BLUE AND GOLD
  TIFFANY STUDIOS, BLUE AND GOLD FAVRILE GLASS VASE c. 1900, USA, decorated with strings of gold dots on a blue ground, old TGD Co. (Tiffany Glass & Decorating Company) paper label to underside and partial etched signature on edge, 6"h x 5"dia
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Goblet glass marked 'L.C.T.' to underside H 12 7/8 inches.
• Tiffany Studios. Collection of
  Tiffany Studios. Collection of ten Favrile glass fragments. c. 1910, 6½ w × 5½ l in. result: $1,250. estimate: $1,000–1,500. Provenance: Private Collection, New York
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Vase favrile glass marked L.C.Tiffany Favrile 5888 to underside H 12 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Three Goblets favrile glass shorter marked 'L. C. Tiffany' to underside, other two unmarked H 6 inches (tallest).
• Tiffany Studios Gilt-Bronze and
  Tiffany Studios Gilt-Bronze and Favrile Glass Vase Estimate:$1,200-$1,800
• Tiffany Studios and Steuben. Pastel
  Tiffany Studios and Steuben. Pastel coupe and covered vessel. c. 1900, c. 1920, hand-blown Favrile glass, hand-blown Oriental Jade glass. 6? h × 7¼ w × 5½ d in. result: $2,064. estimate: $700–1,000. Etched to underside of one example '1897 L.C. Tiffany - Favrile'. Provenance: Important Private Collection, Highland Park, IL
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Vase, c. 1915 favrile glass etched 'L.C. Tiffany - Favrile - 90296J' Height 11 1/2 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Bowl favrile glass marked 'L.C.T.' to underside. Diameter 9 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Candlestick gilt bronze, favrile glass base impressed 'TIFFANY STUDIOS/NEW YORK/1213' shade engraved 'L.C.T. Favrile' H 17 1/4 x Diameter 5 3/4 inches Property from the Estate of Mr. and Mrs. Dean Drahos, Northfield, Ohio
• Tiffany Studios. Jeweled
  Tiffany Studios. Jeweled candlestick. c. 1910, patinated bronze, hand-blown Favrile glass. 15¾ h × 5½ dia in. result: $5,460. estimate: $2,000–3,000. Etched signature to inner rim of shade fitter ‘L.C.T.’. Impressed bronze label to underside of base ‘TIFFANY STUDIOS NEW YORK 1012’. Provenance: Private Collection, New York
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Bud Vase favrile glass marked 'L.C.Tiffany / Favrile / 6033 G' to underside H 14 3/4 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Nine Wine Glasses favrile glass unmarked H 6 inches. Property from the Collection of Dr. Kianoosh Jafari
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Vase favrile glass marked L.C.Tiffany Favrile 3134 K to underside H 9 inches.
• Tiffany Studios. Collection of five
  Tiffany Studios. Collection of five works. early 20th century, Favrile glass, gold. 7¼ h × 3½ dia in. result: $1,250. estimate: $800–1,200. Lot is comprised of a goblet, tile, scarab, and two scarab rings. Etched signature to underside of vase ‘L.C.T. Favrile’.
• A Tiffany Studios Favrile Glass
  A Tiffany Studios Favrile Glass Bowl of circular form with blue iridescence set on a circular foot. Diameter 8 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Grapevine Bowl engraved favrile glass marked L.C.Tiffany Favrile 1575 to underside H 5 x Diameter 9 3/4 inches.
• TIFFANY STUDIOS BLOWNOUT INKWELL
  TIFFANY STUDIOS BLOWNOUT INKWELL Favrile glass, patinaed bronze. Impressed TIFFANY STUDIOS NEW YORK 27358.Literature: Alastair Duncan, "Tiffany Lamps and Metalware", Woodbridge, Suffolk, 2007, p. 427, fig. 1699. (Similar Example)
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Pastel Bowl with Laurel Leaf Pattern glass marked 'L.C. Tiffany Inc./Favrile/5-1925' to underside Diameter 10 1/2 inches.
• Tiffany Studios American, Early
  Tiffany Studios American, Early 20th Century Vase favrile glass signed L.C.T. / Louis C. Tiffany / D1425 and with old label to underside H 7 1/2 inches.
• TIFFANY STUDIOS ATTR FAVRILE
  TIFFANY STUDIOS ATTR FAVRILE GLASS ROPETWIST TILES Two Tiffany Studios attributed sepia favrile glass ropetwist molded running tiles, each with iridescent surface over clear sepia glass. 7.25" L x 1" W x 0.5" D.