Art Nouveau frame adapted from a Barcelona printer’s advertisement
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
Adapted from an advertisement in <i>Nuevas artes</i> (<a rel="nofollow" class="external free" href="https://archive.org/details/nuevasartes00unse/page/6/mode/2up">https://archive.org/details/nuevasartes00unse/page/6/mode/2up</a>)