An imprimatur is a declaration authorizing publication of a book. The term is also applied loosely to any mark of approval or endorsement. The imprimatur rule in the Catholic Church effectively dates
Newton's Principia, bearing the imprimatur of Samuel Pepys, then-President of the Royal Society
Nicolas Trigault was a Jesuit, and a missionary in China. He was also known by his Latinised name Nicolaus Trigautius or Trigaultius, and his Chinese name Jin Nige.
Imprimatur
…Random House in 1953. The book in question is the English translation by Louis J. Gallagher of De Christiana expeditione apud Sinas by Matteo Ricci. and Nicolas Trigault. An imprimatur (sometimes abbreviated as impr., from Latin, "let it be printed") is a declaration authorizing publication of a book. The term is also…
De Christiana expeditione apud Sinas, by Nicolas Trigault and Matteo Ricci, Augsburg, 1615.
Portrait of Nicolas Trigault, by Rubens workshop, Musée de la Chartreuse de Douai
Nicolas Trigault in Chinese Costume by Anthony van Dyck
Part 1 of 西儒耳目資, "Aid to the Eyes and Ears of Western Literati" by Nicolas Trigault