Natal 1859 1d Rose Embossed on Newspaper Header, Rare

1859 Part NEWSPAPER MASTHEAD header (160x80mm) of "The Natal Mercury" franked at 1D NEWSPAPER RATE. This special postage rate paid by a single 1d rose embossed (SG 2). Adhesive generously proportioned, of regular square shape, cancelled black manuscript cross. Stamp with small holes / defects. BPA photo-cert: "not possible to certify adhesive belongs." Few pieces illustrating this rate have survived. Rare representation. (Stamp alone cv£2250). See additional image of certificate.