JHP , John H Peckham brooch with wrought hammer work and coral colored middle stone. STUNNING in person! John H. Peckham jewelry company is the maker of this pin. The company was founded in 1893 in Attleboro, Massachusetts and existed until 1935. J.H.P. was the mark that appeared on their Art Deco and filigree type jewelry. It is a treasure of a piece from the Arts and Crafts era. Condition is very good. The stone is tight and perfect. The c-clasp is tight. The pin back is straight. The pin is marked JHP Hand Wrought with a maker's mark of an arm and hammer. Measurements: 2.5 inches by 1.5 inches.