SAINT VINCENT DE PAUL: (1581-1660) French Catholic Priest. Venerated both in the Catholic Church and the Anglican Communion. Canonized in 1737 by Pope Clement XII. Vincent de Paul is known for his humility and for serving the poor. Extremely rare L.S., `Vincent de Paul I[ndigne] P[retre] D[e] l[a] M[ission]´, (''Vincent de Paul, Unworthy Priest of the Mission''), two pages, 8vo, Paris, 3rd May 1658, to Firmin Get, in French. The written text is in the hand of Saint Vincent de Paul´s secretary Bertrand Ducournau. Saint Vincent de Paul refers to the Algier Expedition, showing the importance he is attributing to it, and states in part `It would have been good that you could have met M. Paul as I did beg you, although there was no appearance that he would have executed his proposal; because at least you would have been able to discover more particularly his feelings regarding such a venture and make some conclusions which could help us..´, further and referring to same expedition, Saint Vincent de Paul refers to extremely important members of the Royal family such as the King´s son, who might be involved in his project, saying `..if feasible, Madame the Duchess of Aiguillon has promised herself to convince M. De Beaufort to do it..´ A letter of god content and association. With address leaf, bearing an attractive blind embossed seal, showing a religious image with the text ''Cong. Missionis - Svp. Generalis'', to a paper seal in very fine condition affixed to the verso. Small overall age wear, otherwise in fine condition. About VG Firmin Get (1621-1682) Superior of the Mission in Marseille. Bertrand Ducournau (1614-1667) Saint Vincent de Paul´s secretary since 1645. By his devotion, tact and love of work, this good brother rendered inestimable services to Saint Vincent and his Congregation. Through his preparation of materials and his personal notes, he contributed to the first biography of Saint Vincent. François de Vendome (1616-1669) Duc de Beaufort. Son of Cesar de Vendome, the illegitimate son of King of France Henri IV and Gabrielle d´Estrées.