From Book IV of Augustine's De doctrina christiana.
Dated from a manuscript note in a British Library copy (IB. 510).
F.W. Householder in The Library ser.4 24 (1943-44) pp. 30-46 argues that this edition was set up from Fust's (Goff A-1227) rather than the other way around (but cf. BMC I 52).
Collation: [1¹⁰ 2¹²]: 22 leaves, leaf [2]/12 blank.
Paper format: Chancery folio
Text begins on leaf [1]/1v, "Canon preconmendac[i]o[n]e huius famosi operis sive libelli seque[n]tis. de arte predicandi sancti augustini."
PML copy leaf dimensions: 26.8 x 19.5 cm.
Hand decoration: Rubricated, red capital strokes, underlining, and paragraphmarks; initial on leaf [1]/3r unrealized.