Silkworms are gold
The 1920s and 30s saw an increase in publications regarding silkworm rearing. In this case, the Sbraccia brothers financed the printing and distribution of a periodical in which, collateral to articles about silkworm rearing, they advertised their very own silkworm seed production..
Credits: “Bachicoltura pratica”, Anno II, N°1, Dicembre 1929. Archivio storico comunale di Olginate.