Marblehead Pottery Piece # 342 Shape 3-a, Marblehead Blue Exterior, Pale Blue Interior, Incised and Painted, Sea Star Decoration, 4 & 1/4 inches high, 5 & 1/4 Inch Diameter, Impressed MP Ship Mark, eBay (garageantiques), /25/2011 Piece 341 Piece 343