Picture published in the "Allmanach fuer Theaterfreunde auf das Jahr 1791", showing the theatrical troupe of <a href="https://en.wikipedia.org/wiki/Emanuel_Schikaneder" class="extiw" title="en:Emanuel Schikaneder">Emanuel Schikaneder</a> performing the number "O Anton du bist mein" from <a href="https://en.wikipedia.org/wiki/Benedikt_Schack" class="extiw" title="en:Benedikt Schack">Benedikt Schack</a>'s Singspiel <i>Die zween Anton</i> (or <i>Die beiden Antons</i>). From left to right: Barbara Gerl (Liesel), (obscured image), <a href="https://en.wikipedia.org/wiki/Josepha_Weber" class="extiw" title="en:Josepha Weber">Josepha Hofer</a> (Gräfin Josepha), <a href="https://en.wikipedia.org/wiki/Johann_Joseph_Nouseul" class="extiw" title="en:Johann Joseph Nouseul">Johann Nouseul</a> (Graf von Dorn), Benedikt Schack (Anton Redlich), Franz Gerl (Redlich), Emanuel Schikaneder (Anton), <a href="https://en.wikipedia.org/wiki/Jakob_Haibel" class="extiw" title="en:Jakob Haibel">Jakob Haibel</a> (Graf Fritz von Dorn).
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
1791
Book: <i>Der Stein der Weisen</i>, edited by David Buch. Googled scanned version, online.