Celtic Porcelain w/ Studio Pottery Vase

Four Irish pottery items. Includes an Eric O'Rourke lidded jar decorated with Celtic knotwork and figures, marked "Eric O'Rourke Ireland" on base, and two small matching Shamrock Pottery lidded jars, each marked "Shamrock Pottery Made in Ireland". Also includes a stoneware vase with applied leaf motif and unmarked base. All items ceramic. Largest jar approx. 11 cm tall.