Handmade ceramic mug vase signed in enamelled terracotta

I could not resist the call of this ceramic despite the many damages it has suffered: it is so pretty, with beautiful proportions and colors that I was obliged to hunt it down and I hope it will find a new home! Perhaps in a collection of ceramics, perhaps to put a bouquet of dried flowers in it... It is made of terracotta with a beautiful almond green glaze decorated with a chiseled and colored decoration. Underneath, it has a cross as a signature and the numbers 30-167 but I have not managed to find any information on its origin, its author. The handmade but relatively symmetrical floral motif made me think of the work of gustave reynaud of the atelier le murier, but this lead did not give anything more. The cross signature sometimes indicates work in a monastery or abbey workshop, so investigation to be carried out. This mug is still solid, no cracks or repairs, but it does not hide many marks from its previous lives: chips on the top rim, the bottom rim and on the handle. It measures 14 cm in height, 8.5 cm in diameter at the bottom, 7.5 cm in diameter at the top, and approximately 13.5 cm in width including the handle.