Thomas Gainsborough was an English portrait and landscape painter
The Gentleman Stationer has a good review of this ink here
De Atramentis Document Yellow from the Document collection is a bright yellow ink with high water resistance
White Acid-Free PaperPaper
De Atramentis Jane Austen, Dark Green Gold Ink Thomas Gainsborough was an EnglishDe Atramentis Jane Austen is a deep hunter green ink with low shading. Jane Austen is also known as: Dark Green, Trajan, Aida, Meadowsweet, Jane Austen, Magic Druid, Frederic Francois Chopin, Alexander von Humbolt, Pope John Paul II, Perfume Ink No 4, Bookworm, William I, Caesar Marcus Augustus, and Baked Apple. It dries in 30 seconds in a medium nib on Rhodia and has a slightly wet flow. De Atramentis ink is made in Germany. This ink is a duplicate