Old Poster advertising 1929 Inferno Cru Valtellina red wine, At Nino Negri winery, Sondrio, Valtellina, Lombardy, Italy.
The grape variety is Nebbiolo, locally known as Chiavennasca. These days, inferno is a recognised subzone and would be classified as DOCG. Those designations did not exist back then.
Source : https://www.flickr.com/photos/winealchemy1/1781457944/in/pool-17918700@N00