Purple Cordial Tea cup

Bing & Grondahl Purple Cordial (also called Palet) stoneware, tea cup without saucer. Designed by Jens Harald Quistgaard. Decoration number 305. Factory first. Measures 9.0 cm. across. There is a born with a small glaze fault at the bottom stand edge (it is not a chip), please see the last picture, otherwise perfect condition.