Black and white photo (with subsequent hand-tinting) of semi-draped young woman reclining with skull, ca. late 19th century or 1900.  Some versions of this were released as postcards with the inscription "091 AM PATENT" in the lower right corner.
Unknown author<span style="display: none;">Unknown author</span>
Rod Ashford's 1999 "Erotique" collection of vintage smut