This is plate 270 from <a href="//commons.wikimedia.org/wiki/James_Sowerby" title="James Sowerby">James Sowerby</a>'s <a href="//commons.wikimedia.org/wiki/Coloured_Figures_of_English_Fungi_or_Mushrooms" title="Coloured Figures of English Fungi or Mushrooms">Coloured Figures of English Fungi or Mushrooms</a>.  See below for more details.
<a href="//commons.wikimedia.org/wiki/James_Sowerby" title="James Sowerby">James Sowerby</a>
<a href="//commons.wikimedia.org/w/index.php?title=File:Coloured_Figures_of_English_Fungi_or_Mushrooms.jpg&amp;action=edit&amp;redlink=1" class="new" title="File:Coloured Figures of English Fungi or Mushrooms.jpg (page does not exist)">File:Coloured Figures of English Fungi or Mushrooms.jpg</a>