Antique or no?

I’ve had this lamp for years. The quality seems really nice. I always assumed it was a modern reproduction because most Tiffany style lamps appear to be, but I’ve never seen one with raised and curved ridges. It’s 24” across with no markings that I’ve ever noticed.

I’ve had this lamp for years. The quality seems really nice. I always assumed it was a modern reproduction because most Tiffany style lamps appear to be, but I’ve never seen one with raised and curved ridges. It’s 24” across with no markings that I’ve ever noticed.