41 This is the object of Our most earnest prayer to God while to all of you, Venerable Brothers, and to each of the flocks entrusted to your care, with Our whole heart We impart the Apostolic Blessing, that it may be a pledge of heavenly gifts and a token of Our paternal affection. Given at Rome, at St. Peter's the fifth day of June, on the Feast of St. Boniface, Bishop and Martyr, in the year 1954, the sixteenth of Our Pontificate.
Source: Ecclesiae Fastos (Vatican.va)