O) BOOK, SPECIMEN OF STAMPS ENGRAVED BY BRADBURY WILKINSON AND CO LD LONDON, SHOWING BEAUTIFUL  OF IMPERFORATE, ESSAYS AND PROOF WITH SPECIMEN PERFINS, OF ARGENTINA, BOLIVIA, CHINA FORMOSA, CHILE, CRETE EGYPT, EL SALVADOR, FALKLAND  ISLANDS, MEXICO, QUEENSLAND, ROMANIA, RHODESIA, TRANSVAAL, LIMITED, XF