In this group there are six pieces. The big white procelain ship is 4 1/2" x 1 1/4" enbossed with FENCE at one end and GROUND at the other, on top. In the center is embossed TWIN TOWERS ELECTRIC FENCE LIGHTENING ACCESORIES CHICAGO; the blue ship, the more common one, is porcelain 3 3/4" x 1 1/4" embossed ANT one end and GND at the other, and CORWICO in the center, all on top, bottom is 825 and USA; then there are 4 blue procelain strains all pieces in NM condition. Asking $5 plus shipping to lower 48.