Enamelled copper.

1950s

Bucranio: 20.5 x 17.5 x 3.5 cm (8 1/8 x 6 7/8 x 1 3/8 in.)
Diavolo: 19.5 x 18.1 x 1.3 cm (7 5/8 x 7 1/8 x 0 1/2 in.)

Reverse of each signed De Poli and with paper label printed SMALTI/DE POLI/-BUCRANIO-/DIS. GIO PONTI and SMALTI/DE POLI/-DIAVOLO-/DIS. GIO PONTI respectively.