Think your vintage flower lamp might be Tiffany glass? Learn the key signs to look for and how to tell if it's the real deal ...

Appraisal: Louis Comfort Tiffany Lamp with "Rose Helmut" Shade, ca. 1905, from Vintage Tam Check out Arlie Sulka's appraisal of this Louis Comfort Tiffany lamp with a "Rose Helmut" shade, ca. 1905 ...

Q: I have a large, very heavy Tiffany-style hanging lamp that belonged to my great grandfather. It is more than 100 years old. About 10 years ago, it was severely damaged in shipping. A stained ...

Nowadays, the antique lamps can fetch up to $4 million. That is why when a Harlem man saw a "vintage" Tiffany lamp being auctioned online for just $20,000-$30,000, he thought it was a bargain.

Whether you're an art nouveau addict, or hopping on the nostalgic trends sweeping the interiors world right now, you're probably familiar with the jewel-toned legacy of the stained glass Tiffany lamp.

The dealer of a century-old Tiffany lamp stolen from an antiques show at Waukesha County Expo Center wants it back and is offering a $2,000 reward to help make that happen.