Gio Ponti, De Poli: Smalti, 1958, pp. 22, 24, 48 for similar examples L'Arte dello Smalto: Paolo de Poli, exh. cat., Palazzo della Ragione, Padua, 1984, pp. 100, 108 for similar examples
circa 1958 Enamelled copper. Largest: 12.4 cm (4 7/8 in.) high, 37.8 cm (14 7/8 in.) diameter Underside of seven inscribed De Poli and underside of two with metal label impressed P. DE POLI/MADE IN ITALY.