9 semi-hollow plates St Amand

Here is an earthenware service from st amand. Saint amand, sté of ceramic establishments -1932- these pretty blue plates (a deep midnight blue degraded) are 9 in number. They are semi-hollow. Their diameter is 22cm and their height is 2.5cm. Some have marks more inscribed than others due to their use and time, but all are in good general condition, without cracking or breach.