The Emblem and Motto of the Congregation of the Mission (abridged)
This study will show that this familiar figure of Jesus and the motto Evangelizare pauperibus misit me both date from the time of Saint Vincent. However, the use of both of these together, with the motto surrounding the oval, dates only from the nineteenth century.
John E. Rybolt. "The Emblem and Motto of the Congregation of the Mission (abridged)" Vincentiana 39.6 (1995): 380-385.
Available at: http://works.bepress.com/john_rybolt/50