They both glow beautifully under a black light.
This is the McKee mark on the bottom. I found an inexpensive custard cup rack which I'll show you when it arrives. You put your cups in it and put in a pan of water and fill with your custard mixture and bake in the oven.
I walked by the dining room table yesterday and the sun was illuminating my compote and it was glowing so pretty I had to take a photo. I got the candle at World Market the other day and have been burning it as soon as it gets dark in the afternoon.