Triomphe - USA made Christmas plate, with candle and poinsettia design. Mid-century vintage.
This is a smooth ivory porcelain, like Lenox or Syracuse Old Ivory. Design and trim look excellent, this doesn't show damage or any significant wear.
It's about 10 1/2" overall diameter - probably made as a dinner plate. I'd use it as a serving plate, or even just as decor, it's so pretty!