Gio Ponti, Smalti di De Poli, Milan, 1958, fig. 23 for a similar example Pier Luigi Fantelli, et. al., L’arte dello smalto: Paolo de Poli, Padua, 1984, p. 104 for a similar example
1950s Enameled copper. Cone-form vase: 12 1/4 in. (31.1 cm) high Dish: 1 3/4 x 11 3/4 x 7 1/2 in. (4.4 x 29.8 x 19.1 cm) Each etched with De Poli, two stamped with P. DE POLI/MADE IN ITALY.