(i) signed, titled, inscribed and dated 'Damien Hirst 2008 2nd Series Biopsy 'M865/302' (on the reverse); stamped with the artist's monogram (on the overlap). (ii) signed, titled, inscribed and dated 'Damien Hirst 2008 2nd Series Biopsy 'M865/303' (on the reverse); stamped with the artist's monogram (on the overlap)