Hand made ceramic vase with inky indigo blue line work and circle pattern. This vase was thrown on the potter's wheel in a white stoneware clay and the pattern added at a leather hard stage.
https://www.etsy.com/listing/1576598503/handmade-decorated-indigo-ceramic-vase?click_key=b7cf3fcfd3f21e82bfaf248a03182b670d8adb86%3A1576598503&click_sum=31ffea90&external=1&rec_type=s  s&ref=landingpage_similar_listing_top-1&cns=1&sts=1