It appears to be lava glaze which is one of the techniques he often used.

The color is a unique combination of pink, white and brown.

It's in wonderful condition, there is a barely noticeable nick on the lip of the bowl that is hidden under the lid.  I took a close up photo which is the last picture with an arrow pointing at it.bThe height with lid is approx 3 inches and it measures nearly 4.5 inches across at its widest.