A forthcoming Koller sale has a leaf from a copy of the Gospels in Greek, with the above miniature (24 March, lot 503).
As the catalogue description expains, the parent manuscript is now Chicago, University Library, MS 129 (de Ricci, Census, I, p. 568). It preserves one miniature, and a colophon from which we know that it was written by Nikolas of Edessa in 1133.
The miniatures were apparently added to the volume in the late 13th- or early 14th-century. Looking at the whole page one can see how the miniature has been inserted, somewat awkwardly, in the space left below seven lines of text:
In the upper right corner is the pencil foliation '61', corresponding to a gap in the foliation of the parent volume:
In the lower right corner of the recto is a barely-visible mark, but enough remains of it, and its characteristc purple colour, to be recogised as the ink-stamp of Robert Forrer:
And with the slightly different line-drawn example in Lugt:
 Papadopoulos-Kerameus, Hierosolymitikē bibliothēkē : ētoi katalogos tōn en tais bibliothēkais ... (1915), pp. 291-92: