GRANT THAT WHAT WE HAVE RECEIVED IN VISIBLE MYSTERIES / WE MAY OBTAIN IN ITS INVISIBLE EFFECT. (brushpoint, b.l.); McCahon Sept '68. No 7. (brushpoint, l.r.); VISIBLE / MYSTERIES / NO.7 / 1968 (on reverse)
The title and inscription are from the Post-Communion Prayer for Ascenscion Thursday, from the New Sunday Missal (Catholic Book Publishing Co, New York, 1961).
This painting was displayed at McCahon's funeral in 1987.