substanceIvory Black ButColors & materialsA named craft material / finish lemma (Ivory Black But) drawn as an exact public-domain workshop phrase.Ivory Black But is historically related to Gold.japanning-handbook seats orphan ivory-black-but beside gold as a first craft peer — object speech, not a text-container or tradition dump.from William Norman Brown · Handbook on Japanning, PD Gutenberg #15622historically related to · sourced · documentedsourcesHandbook on Japanning · William Norman BrownWilliam Norman Brown, Handbook on Japanning (PD Gutenberg ed.).