Giovanni Maria Quaglio

Bears an indistinct mark, possibly J. Richardson, Jr. (L.2170);
Stanislas d'Albuquerque, two variations of his mark recto and verso (not in Lugt);
with Galerie Cailleux, Paris; acquired in 1994

Boston, Museum of Fine Arts, Piranesi and Architectural Fantasy, 31 March-19 September 2001 (no catalogue)

There is some damage to the corners, although it is unclear whether these are heavy creases or repaired tears. Some horizontal creases across the center, although barely visible. The condition is overall very good. The ink is a little darker/greyer than in the catalogue illustration.
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.
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Although this drawing was previously attributed to Giuseppe Galli-Bibiena, that attribution can no longer be sustained. There is an old attribution to Domenico Fossati on the verso, but that too is unconvincing. The drawing is, however, very similar to one in the Oenslager collection, which is attributed to Giovanni Maria I Quaglio.¹ Quaglio was a follower of Bibiena who worked, together with other members of his family, in Vienna and Munich, making theater designs.

1. See Four Centuries of Scenic Invention, exhibition catalogue, International Exhibitions Foundation, 1974-75, no. 40, reproduced