4 small blue artisan earthenware mugs with a white pea pattern

Lot of 4 small mugs made of blue artisan earthenware, with a pattern of white peas laid with pear. 3 mugs have an h of 7 cm, the 4th an h of 8 cm, all have the same diameter of 8 cm. The inside of the mugs shows small cracks, due to the termic shock of the icing with a hot drink. But no micro-pet or crack.