Advertisement for the music score of <a href="https://en.wikipedia.org/wiki/Giacomo_Puccini" class="extiw" title="en:Giacomo Puccini">Giacomo Puccini</a>'s <i><a href="https://en.wikipedia.org/wiki/La_boh%C3%A8me" class="extiw" title="en:La bohème">La bohème</a></i>, showing the quartette in the third act between Marcello, Musetta, Mimi, and Roldolpho.
Adolf Hohenstein (1854-1928) for G. Ricordi &amp; C., Milan,  restored by <a href="//commons.wikimedia.org/wiki/User:Adam_Cuerden" title="User:Adam Cuerden">Adam Cuerden</a>
This file comes from <a rel="nofollow" class="external text" href="https://gallica.bnf.fr/">Gallica Digital Library</a> and is available under the digital ID <a rel="nofollow" class="external text" href="https://gallica.bnf.fr/ark:/12148/btv1b53159026n/f1">btv1b53159026n/f1</a>