Fragmenta Textus Incerti.

Origin Origin uncertain, probably a centre in Ireland
Script Insular Minuscule
Contents Fragmenta Textus Incerti.
Foliation Palimpsest, primary script (the secondary script contains Gregorius, Homiliae in Ezechielem, saec. xi ex. ; for other details, see C.L.A., 7.1000).Four folios, forming 2 bifolia now bound upside down; cut down to 248 X 170 mm.> calculated width of written space ca. 210 mm., each column being ca. 100 mm. wide> in 2 columns of over 40 lines.
Comments Origin uncertain, probably a centre in Ireland. Used for rewriting in the late eleventh century, apparently in the monastery of Allerheiligen at Schaffhausen.

Script is a diminutive Insular minuscule, and to all appearances Irish. Some paragraphs begin with several large letters of gradually diminishing size—an Insular peculiarity.
City Schaffhausen
Library Stadtbibliothek
Saec VIII.
Shelfmark MIN.45 (foll. 44, 45, 48, 49).
CLA 7.1001
Image Source