Rare artist proof lithograph "Motherhood" signed Hyancinthe Kuller Baron, a New York artist living in San Diego, CA. Hyancinthe's lithographs have been best sellers at art auctions. Some are in the Smithsonian and collected by celebrities. 25" w., 31" h. Rare artist proof lithograph "Motherhood" signed Hyancinthe Kuller Baron, a New York artist living in San Diego, CA. Hyancinthe's lithographs have been best sellers at art auctions. Some are in the Smithsonian and collected by celebrities. 25" w., 31" h.