Page 1. Osservazioni. Vignette (head-piece): Capital decorated with sirens and dolphins and a marble column in the form of a tree trunk..., from Osservazioni di Gio. Battista Piranesi sopra la lettere de M. Mariette aux auteurs de la Gazette Littéraire de l'Europe... (Observations of Giovanni Battista Piranesi on the Letter of M. Mariette to the authors of the Gazette Littéraire de l'Europe...)

Page 1. Osservazioni. Vignette (head-piece): Capital decorated with sirens and dolphins and a marble column in the form of a tree trunk..., from Osservazioni di Gio. Battista Piranesi sopra la lettere de M. Mariette aux auteurs de la Gazette Littéraire de l'Europe... (Observations of Giovanni Battista Piranesi on the Letter of M. Mariette to the authors of the Gazette Littéraire de l'Europe...) — Giovanni Battista Piranesi. 1765.

Medium: Etching. Dimensions: sheet: 21 5/8 x 15 3/4 in. (55 x 40 cm) plate: 6 5/16 x 8 7/16 in. (16 x 21.5 cm).

Collection record: The Metropolitan Museum of Art, New York. Museum connection according to this source; current display unverified.

Credit line: Rogers Fund, transferred from the Library.

This is a museum catalogue record, not a current-display assertion.

Source: official collection record. Metadata selected and normalized by Artline from the source export, accessed 10 September 2026; no museum endorsement. Reproduction rights are separate.