Alessandro Casolani

Bears unidentified collector's mark;
sale, Monaco, Sotheby's, 15 June 1990, lot 28;
W.M. Brady, New York (Old Master Drawings, 1990, no. 2, reproduced);
Flavia Ormond, London (Italian Old Master Drawings 1500-1850, 1994, no. 4, reproduced)

Window mounted. Overall in good condition. Red chalk is strong and vibrant. There is a tiny hole, recto, just on the cheek of the middle female head. There is a brown stain at the lower right margin. Slight foxing (recto and verso) and some discoloration at the edges of the sheet.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

These are particularly delicate and refined studies, most probably drawn from a model.  A more idealized head, possibily of the same model, is on a sheet of studies in the Biblioteca Comunale, Siena which has been related to Casolani's Storia apocalittica, painted for the Santissima Trinità, circa 1600.¹

1.  L'arte a Siena sotto i Medici, exhib. cat., Siena, Palazzo Pubblico, 1980, p. 82, no. 26, reproduced