Natal Revenues 1868 Embossed Dies Proof Impressions to £25

1868 De La Rue (?) "Additional embossed dies". PROOF IMPRESSIONS comprising 13 duties: 2/-, 2/3, 2/6, 5/-, £1, £1/5/-, £2, £2/10/-, £5, £8, £10, £20 & £25, struck in rose-carmine on thin card, each also overprinted SPECIMEN (Samuel D9). A few minor imperfections. A magnificently attractive showpiece array for connoisseur. Believed to be unique. Exceptional.