love that black shade

I saw this online and a friend of mine shop someone familiar with their business. I'd appreciate any help with this I'm really kind of know what this and I buy things because I like them and if I decide to get rid of them and get something else excuse me. and I usually do well with person so I would appreciate anyone that could tell me anything about what this lamp is style or classification Etc terminology that black shade I have to be honest about that every time that that exact Black shade the lamps are always am really expensive like six or seven hundred dollars