DALLAS, TX.- Selections from three estates of private collectors, including an assortment of Lalique and Loetz glass and Tiffany lamps, are among the highlights in highest demand in Heritage Auctions’ Tiffany, Lalique & Art Glass Auction, including Art Deco & Art Nouveau Tuesday, May 14 in Dallas, Texas.

“This is the best art glass spring auction Heritage has ever presented,” Senior Vice President Nicholas Dawes said.

The largest collection in the sale is a selection of glass by Loetz, the premier Bohemian art glass manufacturer during the Art Nouveau period into the early 1900s.

The Loetz glass is from the estate of an extremely knowledgeable and discerning private collector, and among the finest ever to appear at auction. The 69 lots of Loetz include Loetz Glass Titania Genre 6388 Series PN II-6378 Vase (estimate: $8,000-12,000) and Loetz Glass Phaenomen Genre 356 Vase Circa 1900 (estimate: $4,000-6,000).

The large and impressive Marshall, Michigan estate of James Kwis Leonard provides much of the remarkable Steuben glass, Tiffany lamps, glass and metalwork in the auction. The Leonard estate includes Tiffany Studios Leaded Glass, Turtleback Glass Tile, and Bronze Table Lamp (estimate: $20,000-30,000) and Tiffany Studios Favrile Glass and Bronze Twelve-Light Lily Lamp (estimate: $12,000-16,000) and Steuben Acid-Etched Plum Jade Glass Chinese Vase with Gilt Base and Cover (estimate: $2,000-3,000).

The auction also offers a Long Island estate featuring reverse-painted glass lamps from Pairpoint and Handel, including a Puffy Grapevine Lamp (estimate: $2,000-3,000).

Opalescent glass by René Lalique is particularly well represented, including Opalescent Glass Bacchantes Vase with Sepia Patina on Bronze Base (estimate: $25,000-35,000), Opalescent Glass Thais Statuette (estimate: $15,000-20,000) and an Opalescent Glass Tourterelles Covered Vase (estimate: $8,000-12,000).

The auction will also feature selections of Art Nouveau, including Agathon Léonard Gilt Bronze La Cothurne Sculpture (estimate: $5,000-7,000), and Art Deco, including Camille Fauré Enameled Copper Vase (estimate: $7,000-9,000).

Collectors will be able to choose from an assortment of Gallé and Daum glass, mostly from the Leonard estate, which also supplied the strong selection of Louis Icart etchings, featuring Untitled (two works), n.d. (estimate: $800-1,200), Spanish Dancer, 1929 (estimate: $700-900) and Lilies, 1934 (estimate: $700-900).