Benjamin Macklowe, president of the Macklowe Gallery, will discuss Louis Comfort Tiffany's art glass and lamps and how values and trends have evolved.

Benjamin Macklowe, president of the Macklowe Gallery, will discuss Louis Comfort Tiffany’s art glass and lamps and how values and trends have evolved over the last 100 years during a special program Tuesday, Oct. 20 at 6 p.m., at Winterthur Museum, Garden & Library.

“Today’s Tiffany Market: Understanding Current Trends, Values and Authenticity” will be presented at Winterthur’s Copeland Lecture Hall in the Visitor Center, 5105 Kennett Pike, Wilmington.

Admission is $5 for members, $15 for nonmembers, with students free with valid ID. Register at winterthur.org or by calling (800) 448-3883.