Nicene and Post-Nicene Fathers, Ser. II, Vol. IV: Life of Antony. (Vita Antoni.): Section 92
92. Having said this, when they had kissed him, he lifted up his feet, and as though he saw friends coming to him and was glad because of them—for as he lay his countenance appeared joyful—he died and was gathered to the fathers. And they afterward, according to his commandment, wrapped him up and buried him, hiding his body underground. And no one knows to this day where it was buried, save those two only. But each of those who received the sheepskin of the blessed Antony and the garment worn by him guards it as a precious treasure. For even to look on them is as it were to behold Antony; and he who is clothed in them seems with joy to bear his admonitions.