RED "3d" & "1½d" PORT LOUIS MARKS ON 6d OR UNDERPAID 1/- RATE COVERS TO GB "VIA SOUTHAMPTON"; 6 Sept. 1863 env. (overall wrinkling, etc.; small corner fault at top left) sent at the 6d "Via Southampton" rate with 6d tied by mainly fine "B53" numeral to Slough with a very fine red Handstruck "3d" Accountancy Mark alongside (due to GB). But then in London found to be underpaid for the double rate (over ½oz & up to 1oz) and so having a fair London "MORE/TO/PAY" in circle and red boxed "DEFICIENT POSTAGE [6d]/FINE___[3d= 9d, changed to 1/-]" (closed tear) on the front. Rare example of the "3d" mark on an underpaid cover. Plus c.1865 front to Hull "Via Southampton" with 6d Green just tied by "B53" numeral and having very fine strike of the rare red Handstruck "1½d" Accountancy Mark alongside; 1½d due to GB from the 6d rate. Good pair. (2 items) Cross Reference: ACCOUNTANCY MARKS (Image)

RED "5½d" PORT LOUIS MARK ON PAIR OF 10d-RATE COVERS TO GB "VIA MARSEILLES"; 7 Oct. 1865 env. (overall wrinkling; part of one flap lost) to Bath with 1d Brown + 9d Dull Purple tied to each other by fair or v. fine Port Louis "B53" numerals with a fine strike of the scarce red Handstruck "5½d" Accountancy Mark alongside; 1½d due to GB & 4d due to France from the 10d rate. Plus similar large part 7 Oct. 1865 E (reduced at left) to London with 4d+6d cancelled or just tied by mainly fine "B53" numerals having a fine red Handstruck "5½d" Accountancy Mark alongside. Good pair posted on the very same day. (2 covers) Cross Reference: ACCOUNTANCY MARKS, FRANCE (Image)

RED "9d" PORT LOUIS MARK ON 10d-RATE COVER TO GB "VIA MESSAGERIES IMPERIALES"; 18 July 1867 env. (slight creasing, etc.) to Bath with 6d Green + 4d Rose (both just tied; 6d with faults) with partly fine Port Louis "B53" numerals having a very fine scarce red Handstruck "9d" Accountancy Mark (Proud A21) alongside; 5d due to GB & 4d due to France from the 10d rate. Cross Reference: ACCOUNTANCY MARKS, FRANCE (Image)

BLUE PORT LOUIS "6d/TO PAY" MARKS ON MAIL FROM MALTA OR C.G.H. (+"1/6" ON STAMP-REMOVED COVER); 21 Nov. 1866 & 27 May 1869 pair of envs. to Port Louis (the first to the Governor) ex Malta (rare thus) or ex Cape of Good Hope (King William's Town) with GB 4d Vermilion (faults) or CGH 4d on 6d (2) tied by duplex or numerals; each with a fair or very fine blue Port Louis "6d/TO PAY" Postage Due mark - with short gap between "d" and underline. Plus 30 June 1864 pair of large part fronts ex CGH (6d or 1d tied by Cape Town duplexes; latter presumably with stamps removed) by the same ship to Port Louis having mainly fine blue Port Louis "6d/TO PAY" Postage Due marks) the 2 types - with short or long gap between "d" and underline. Also a 10 Feb. 1871 EL (stamp cut away) from Melbourne to P. Louis with v. fine rare blue "1/6" due mark. Rare group. (5 items) Cross Reference: CAPE OF GOOD HOPE, MALTA, G.B. USED ABROAD STAMPS & COVERS (Image)

BLUE PORT LOUIS "10d/TO PAY" OR "1/8d/TO PAY" MARKS ON THREE COVERS FROM FRANCE; Fine 1865/1867/1873 unpaid ELs trio from Nantes/Le Havre to Port Louis (2 endorsed "Via Suez, Messagies. Imples.") having very fine scarce blue "1/8d/TO PAY" (1867) or mainly very fine "10d/TO PAY" marks (1865 + 1873) on the front. Attractive trio. (3 covers)Cross Reference: POSTAGE DUE STAMPS & COVERS, FRANCE, REUNION (Image)

PORT LOUIS BLUE/RED CRAYON DUE MARKS ON MAIL EX INDIA (FORERUNNERS OF THE BLUE "TO PAY" NUMERALS); 1861/62/63 env. trio to the same Port Louis addressee ex Landour/Madras/Aurungabad franked by India 4as Grey (single with fault, pair, or single respectively) tied by ms "Stamped" plus duplex or numerals, all endorsed "Via Bombay & Aden" or "Via Aden" with INDIA/PAID marks. All charged Postage Due on arrival in Mauritius and so with red crayon "6d", "1/-" or blue crayon "6d" charges; also having red ms "4" (2) or "8" Accountancy Marks (credits to GB). Attractive trio. (3 covers) Cross Reference: INDIA, POSTAGE DUE STAMPS & COVERS (Image)

PORT LOUIS BLUE/RED CRAYON DUE MARKS ON MAIL EX INDIA (FORERUNNERS OF THE BLUE "TO PAY" NUMERALS); Similar group of 1862/63 envs. (6; all with some sellotape stains from reverse) to this same Port Louis addressee (Higginson) ex Jaulna/Madras/Mominabad each franked by India 4as Grey tied by ms "Stamped" plus dotted diamond numerals, all endorsed "Via Bombay" and/or "Via Aden" with INDIA/PAID marks. All charged Postage Due on arrival in Mauritius and so with red crayon "6d" charges; all also having red ms "4" Accountancy Marks (credits to GB). Plus 1862 EL (stamp-removed) ex Pondicherry with similar postal markings. (7 covers) Cross Reference: INDIA, POSTAGE DUE STAMPS & COVERS (Image)

EX INDIA - BLUE PORT LOUIS "1d/TO PAY", "6d/TO PAY" OR 1/- /TO PAY" MARKS INC. "AFTER PACKET" 4as LATE FEE; 18 Jan. 1870 EL from Calcutta "Via Bombay & Aden" with 4as + 6as 8pi tied by "Stamped" marks & blue "B/1" octagons having a very fine blue Port Louis "1d/TO PAY" mark alongside; spectacular 26 May 1864 EL ex Calcutta endorsed "After Packet Per Rangoon to Aden" and so with 1a + 4as tied by black "B/1" octagons (1a postage + 4as Late Fee) also having very fine red boxed "INDIA/PAID" and sender's FAC mark on the front beside a mainly very fine blue "6d/TO PAY" mark; and 13 Aug. 1869 EL from Calcutta with 1a + 4as tied by "Stamped" mark and fine blue "B/1" octagons, endorsed "Pr [Ship] T" with a very fine scarce blue Port Louis "1/- /TO PAY" mark alongside. Fine and colourful trio. (3 covers)Cross Reference: INDIA, POSTAGE DUE STAMPS & COVERS, LATE FEE MAIL (Image)

INDIA - INGOING MAIL TO MAURITIUS WITH BLUE PORT LOUIS "1d/TO PAY" OR "6d/TO PAY" MARKS; 1865-9 covers inc. attractive small 20 Aug. 1865 EL (unnecessary hinges inside short flap) from Karikal with 4as tied by fine "C/147" dotted diamond numeral with v. fine blue "6d/TO PAY" alongside; plus 1866-9 envs. (7; all but one which are affected by stained sellotape) from the Higginson correspondence from Jaulna and all with 4as Green pairs tied by "65" diamond numerals, 4 of which have fair to fine blue "1d/TO PAY" marks with the other 3 have fair to fine blue "6d/TO PAY" marks. (8 covers)Cross Reference: INDIA, POSTAGE DUE STAMPS & COVERS (Image)

INDIA/REUNION TO MAURITIUS - BLUE "3d" OR "8d/TO PAY" INC. RARE BLUE ST. DENIS HS "16" TRANSIT MARK; 25 June 1871 EL from St. Denis (cds) "Pr [Ship] Solferino" with v. fine Port Louis hs "3D" Postage Due mark; plus rare 16 Mar. 1868 EL ex "Pondichery" to Port Louis "Pr. Jemma" but routed via Reunion and so with St. Denis backstamp (4 Sept.) and a very fine rare blue St. Denis "16" charge hs on the front. It was then endorsed "Voie de la Martinique" to Port Louis and so with a mainly very fine blue Port Louis "8d/TO PAY" alongside. Fine and attractive pair. (2 covers) Cross Reference: REUNION, ACCOUNTANCY MARKS, FRENCH COLONIES, INDIA (Image)

REUNION TO MAURITIUS - UNPAID PAIR WITH PORT LOUIS "8d/TO PAY" OR "Ship Letter" WITH "3d" MARK; Fine 28 Sept./22 Dec.1869 pair of ELs from St. Denis to Port Louis; the first with a rare combination of mainly v. fine Port Louis pale blue "Ship Letter" + v. fine dark blue P. Louis "3d" mark (file fold at foot), the other with a v. fine pale blue Port Louis "8d/TO PAY" mark. Attractive pair. (2 covers)Cross Reference: REUNION, POSTAGE DUE STAMPS & COVERS (Image)

PORT LOUIS CENTS "TO PAY" MARKS - "27c" & "6c" EX PONDICHERRY/INDIA + "8c" (STAMP REMOVED); Fine and attractive 11 Aug. 1881 EL from "PONDICHERY" (sender's cachet on front) "Pr. [Ship] Gideon Marie" to Port Louis with both v. fine rare black "27c/TO PAY" and matching mainly v. fine "Ship Letter" nicely placed on the front [Ex James Ruffle]; plus 5 Feb. 1901 underpaid usage of the India ½a Green P. Stat. env. ex Calcutta to "A.S. Corps, Mauritius" with red ms "5 cents" and part "T" in circle on the front along with mainly very fine Port Louis "6c/TO PAY", and 10 Jan. 1880 EL (stamp-removed) ex France with v. fine black Port Louis "8c/TO PAY". (3 covers) Cross Reference: POSTAGE DUE STAMPS & COVERS, FRENCH COLONIES, INDIA, FRANCE (Image)