1892  1p yellow-green vertical pair imperf between with error, pre-printing paper fold resulting in the top left corner of the stamp being printed on reverse. (Image)

1901 part envelope registered from Paonta to Nahan franked with two copies of the 1885-96  3p orange Type B and 2 annas carmine cancelled "PAONTA / SIRMOOR STATE 28 OC 01" squared circle cancel with "SIRMOOR STATE / NAHAN 29 OC 01" delivery cds on reverse. Internal franked Sirmoor covers are virtually unobtainable because the Maharaja of Sirmoor had issued strict orders to have the stamps removed from all articles of mail prior to delivery. Only a handful of such Sirmoor covers exist, the majority of franked Sirmoor covers are combination covers addressed to areas outside Sirmoor State. BPA certificate (Image)

India QV 1/2a postal stationery envelope additionally franked with Sirmoor 1896  1/2a yellowish green both cancelled by "SIRMOOR STATE / NAHAN / 15 JL 99" cds. Sirmoor covers are rare. BPA certificate (Image)

1894-99  Essay of the 3p orange overprinted "ON S S S". BPA certificate (Image)

1900 local handmade cover franked with 1894-99  6p green tied by "SIRMOOR STATE / NAHAN / 18 MY 1900" cds with an indistinct delivery squared circle postmark. Internal franked Sirmoor covers are virtually unobtainable because the Maharaja of Sirmoor had issued strict orders to have the stamps removed from all articles of mail prior to delivery. Only a handful of such Sirmoor cover exist, the majority of franked Sirmoor covers are combination covers addressed to areas outside Sirmoor State. According to SG "The stamps of Sirmoor are very rare used on cover". ISES certificate (Image)

Waterlow Proofs of 1894-99 Elephant part set of four (3a, 4a, 8a & 1R) each in a bottom right corner marginal block of four each with a 3mm security punch hole from the unique sheet that was retained in the Waterlow archive. Variously stained and without gum, certificate ISES 2021. (Image)

Waterlow Proofs of 1899 complete set of four each in a corner marginal block of four each with a 3mm security punch hole from the unique sheet that was retained in the Waterlow archive.  Variously stained and without gum, certificate ISES 2021. (Image)

1892-97  3p orange overprinted "On S S S" with error overprint inverted. ISES certificate (SG value £900) (Image)

1891,  1 anna bright blue overprinted "ON S S S" with error, no stop after lower "S" (SG value £325) (Image)

1892-97  3p orange overprinted "On S S S" with error overprint inverted (SG value £425) (Image)

1892-97  1a steel-blue overprinted "On S S S" with error overprint inverted (SG value £375) (Image)

Waterlow Proofs of 1896-97 set (missing 1 anna) each in a corner marginal block of four (printed margin missing) each with a 3mm security punch hole from the unique sheet that was retained in the Waterlow archive. Variously stained and without gum. (Image)

1896-97  3p overprinted "On S S S" with error overprint double. This is believed to be one of only two recorded examples of this error, certificate ISES 2021. (Image)

3 pies orange SG Type "B" mixed Machine printed and handstamped; "On" SG Type 19 machine printed and "S S S" without stops handstamped SG Type 13. Unrecorded. Block of four, right stamps hinged, left stamps never hinged (Image)

1894,  6 pies handstamped "ON S S S" in red (SG value £225) (Image)

1896  3p orange handstamped "On S S S " with SG Type 21 (SG value £375) (Image)

1896  3p orange overprinted "ON S S S" with SG type 21 (SG value £375) (Image)

1896  6p bright green orange overprinted "ON S S S" with SG type 21, toned gum unpriced in SG. (Image)

1896,  2 annas carmine handstamped with SG Type 22 "On S S S" (SG value £650) (Image)

1899,  2 annas rose-red handstamped with SG Type 23 "ON S S S", horizontal pair (SG value £170) (Image)

1 anna bright blue with only "On" overprint, "S S S" missing with "SIRMOOR STATE 1 AU 1900" cds (Image)

3p chocolate from the 1st Printing handstamped "ON S S S". An extremely rare stamp, not listed in SG (Image)

1 anna deep blue Receipt stamp complete sheet of 9 with small punch hole on each stamp and overprinted "WATERLOW & SONS / SPECIMEN" in black on each stamp (Image)

Waterlow Proofs of the 1a receipt stamp, bottom left corner marginal block with multiple 4mm security punch hole from the unique sheet that was retained in the Waterlow archive.  Variously stained and without gum. (Image)