Custom CMS block displayed at the left sidebar on the Catalog Page. Put your own content here: text, html, images, media... whatever you like. There are many similar sample content placeholders across the store. All editable from admin panel.
I found this Etsy artist Elizabeth Mayville on one of my favorite blogs Note to Self the other day and had to share. Framed simply in white or in a vintage ornate gilded frame these little beauties would shine!