Sun in enamelled copper, signature on the back. Present label "SMALTI DE POLI - Sole- drawing Giò Ponti", 60s. Publications: Catalog of the Anthological Exhibition, The Art of Enamel by De Poli, held at Palazzo della Ragione, Padua, 10 November 1984, page 83, f. 24 - Giò Ponti DE POLI, Edizioni Daria Guarnati, 1958, f. 26 -Ugo La Pietra, Gio Ponti, Art Fall in love with L'Industria, Rizzoli, 2009, pag. 315. We thank the Archive Gio Ponti (Milan) for confirming the attribution to Gio Ponti, at the request of the buyer the archive is available to produce the certificate of authenticity.