Enamelled ceramic liqueur cups or glasses, set of six

Charming set of six small cups, for small coffees or more likely for the liqueur of end of meal. They are made of glazed ceramic in gray tones slightly pulling on the blue and brown. They are in very good condition, neither crack nor shine. They are 5 cm high with a diameter 4.5 cm high and a maximum width (including the cove) of 7 cm. They can contain a little more than 30 ml. They each weigh just over 50 g.