Vintage Robinson Ransbottom Pottery spongeware bowl set featuring classic blue sponge decoration on yellow stoneware clay. Made in Roseville, Ohio, USA. The set includes a marked 7 / 1 ½ quart mixing bowl along with coordinating smaller nesting bowls in the same spongeware pattern. Authentic mid-century American stoneware with excellent color and glaze coverage. All pieces show normal vintage wear consistent with age. No cracks or repairs observed. Please review photos for condition and details. Maker: Robinson Ransbottom Pottery (RRP). Origin: Roseville, Ohio, USA.