This is one of those things that I put on a shelf at home and simply stared at for a number of months. It’s small, and dainty, but the handle is comfortable to hold.
I had made quite a few beads with this pattern and had decided to try on a cup, too. This is porcelain, gas fired to cone 10. The black underglaze survived the firing just fine.
The clear turned a bit a blue celadon color and there is a flush of red around the rim where it began to reduce or maybe it picked up the red of another vessel nearby.