David O. McKay alludes to lifting the "black til proven white" restriction in South Africa.
David O. McKay, Letter to Leroy Duncan, March 10, 1954, Church History Library (MS 18062)
Thank you for your kind letter of February 23rd. I am glad to learn that the brethren are happy over the decision rendered regarding the bestowal of the Priesthood, and I am pleased to report that the decision as given in that memorable Priesthood meeting has been approved by the First Presidency and the Council of the Twelve.