Description - PM type 25 (JC) type 15 (MN-RF) experimental smallish rectangular-like square with fine bars varying between 13-18 in number, and Renouf noted many minor varieties exist, and a quite often encountered subtype seems to have only 10 bars, not noted by Cooper.
Thought to be used for experimental post offices, it is almost exclusively a Bombay postal sub-region PM. Please note the printed pages in this highlighted collection have many of the PM types 25 and 26 the wrong way around.
A number of single examples are found in this collection on the stamps issued between 1865-1873 SG54-SG76, often with only 10 fine bars. Covers in the collection are find date between 23rd Sept 1869 – 6th August 1879. Considered scarce.
Description - PM type 26 (JC) type 16 (MN-RF) diamond composed of lines parallel to the long diagonal thickness of lines can vary, yet most seem fine, and with considerable variance in number from 9 to 17, according to Cooper, although a pair with 18 bars is found in the collection.
This type, thought to be used for experimental post offices, might easily be confused with PM type 33, although they notably have 10 thicker bars. PM 26 might also be mixed up with type 5a, with faded numerals without inset, as with examples dating 1857 and 1858, wrongly allocated (along with several others without date) in this collection, but these have more bars normally 22, with tip top/bottom – dating from an earlier period
Used in UP and Punjab States, Renouf alone also notes the Sind Province. Some however, seem to emanate from Calcutta. Davis notes this type in use Mandalay Burma.
Two extreme examples exist in this collection on a single page of this collection, with most instances ranging between 30th November 1871 – 21st April 76. A single stray instance dates July 1862, and seems well outside the normal date range of this PM type? Considered scarce.
Description - PM type 26a (JC) type 16a (MN-RF) as above but with four frame lines surrounding diamond.
Used in UP and Punjab States, according to Cooper. Despite this statement
Renouf noted three instances on covers, all from Mandalay Burma. This is corroborated by Davis (Burma Postal History Davis G: pp216: 1971 p.56), whom states, ‘six letters with recorded dates ranging between 17th October 1871 to 7th March 1872, also all emanating from Mandalay. Considered extremely rare.
Description - PM type 27 (JC) experimental distinctive duplex, not much depicted nor elaborated upon by Cooper. Distinctive right side design of six fine crescents blank space within. Left side is single circular with single four leaf floret at centre bottom date in two line at centre.
Based on 24 examples on cover in this collection, and often found on postal stationary, this unique PM seems to be in use between June 1892 to August 1900 (1885 instance incorrect as stationary issued January 1893), most range from early to mid-1890’s, stamped from a diverse geographical region. Considered scarce – perhaps when entire on cover.