This small canvas relates to an oil sketch, with arched top, by Bayeu, recorded as in a private collection, Madrid (fig. 1).1 That work would appear to form a pair with another sketch depicting Saint Peter of Alcántara.2
1 See J.L. Morales y Marin, Francisco Bayeu, Zaragoza 1995, p. 113, cat. no. 160, reproduced. 2 Marin 1995, p. 113, cat. no. 159, reproduced.