Palace cover from Trippunithura to Pariyaram bearing an oval seal  "H.H. THE MAHARAJAH'S PALACE / TRIPPUNITHURA" in violet with both Trippunithura and Pariyaram cds on reverse. Covers sent from the Palace did not require to be franked, a privilege that the Maharaja enjoyed. (Image)

1892  1/2p orange-buff sheet of 36 (SG value £162) (Image)

1892  2 puttans deep violet complete sheet of 12. Extremely rare in sheet format (Image)

1892  2p deep violet complete sheet of 12. Complete sheets of the first issue of Cochin are extremely rare. (Image)

1896,  1 puttan violet with sheet watermark (SG value £150) (Image)

1905,  1 puttan pink on horizontal laid paper, minor defects. RPSL certificate (SG value £2000) (Image)

1902  ½p green block of four with bottom left stamp sideways (SG value £2000) (Image)

1902-03 3p rosy-mauve horizontal pair surcharged "2" with error, right stamp surcharged with SG Type 7b. BPA certificate (SG value £200) (Image)

1902-03 3p rosy-mauve horizontal pair surcharged "2" with error, stamps tête-bêche. RPSL certificate (SG value £400) (Image)

1911  Die Proof of the 1 1/2a purple with two impressions, on the right without some inscriptions and denomination. Unique  (Image)

1930  2p brown Die II left marginal block of 16 with error left perforation column shifted to the left resulting in the stamps on the left being wider by 2mm. Gum toned and paper stuck on back. (Image)

1916,  4 p green horizontal imperf pair with watermark umbrella  (Image)

1922,  1 anna Die II block of 6 Plate Proof in green imperf (Image)

Cover addressed to the King of Cochin franked on reverse with 1948  1a orange (Image)

1924,  3 pies blue perf. 14x12.5 surcharged with SG Type 13  2 pies with error "Pies" for "pies", toned gum (SG value £500) (Image)

1922-29,  3 pies blue surcharged 2 pies marginal vertical strip of three with top and bottom stamps surcharged with SG Type 14 and middle stamp with SG Type 15 (SG value £200) (Image)

1938  2p brown perf 11 with error, watermark umbrella inverted (SG value £750) (Image)

1938,  1 anna brown-orange litho perf. 13x13.5 (SG value £275) (Image)

1938  color trial of 2 1/4a myrtle-green watermark umbrella perf. 11 in block of four. BPA certificate (Image)

1938,  4 pies green litho perf. 11 surcharged SG Type 20 "THREE PIES". Type 20 surcharge is not listed in SG on this stamp. (Image)

1939  1a brown-orange litho perf. 13x13½ overprinted "ANCHAL" (SG value £500) (Image)

1942-44  1a brown-orange litho perf 11 overprinted "ANCHAL / SIX PIES" (SG value £325) (Image)

1942-44,  1 anna brown-orange litho perf. 11 surcharged "ANCHAL / SIX PIES" (SG value £325) (Image)

1942-44,  1 anna brown-orange litho perf. 13x13.5 surcharged "ANCHAL NINE PIES" (SG value £750) (Image)

1943  4 pies green perf 13x13½ with watermark umbrella, certificate ISES 2021 (SG value £3000) (Image)