READ ALL: antique/vintage used, interior has some wear and unglazed texture (see photo), several small knicks in the glaze (mostly on or near the rim - see photos), glaze pull to base. Incised MP mark for Mountainside Pottery. USA Handmade, New Jersey.  Handthrown, HEAVY. Made in USA between 1929 and 1940. Approx. 10.5-in x 10-in x 4-in high; center depth approx. 3.75-in. See ALL photos, sold AS IS.