The types


hand written marking
the nomination of the year is often followed by "g" for "gads" (year)
usually in two rows with the place name above the date but opposite also exists
the place name often is followed with "p.n." or "p.p.n." for "pasta nodaļa" or "pasta palīgnodaļa" (post office or branch post office)

the place name hand written but the date 

the place name often is followed with "p.n." or "p.p.n."

completed with a date stamp
different types of date stamps are existing

2-row hand stamp, produced in the 1930ies, with the place name in upper row followed by "p.n." (or "p.p.n")
The second row is meant to be filled in with the date by hand. The year is mostly impressed as "193" and the last figure is to be filled in. Varieties exist with the whole year impressed for the actual year or with the last figure over-written by hand when the marking is used an other year.

2-row hand stamp as in temp2a

completed with a single line date stamp of different types




single line hand stamp with the place name, mostly followed by "p.n.", "p.p.n." or "" ("pasta telegrāfa palīgnodaļa" / branch post and telegraph office)
hand written date, mostly beneath the place name
in the shown example also followed by "Latvija" which not was common

single line hand stamp with the place name as in temp3a
completed with a date stamp of different types



tyre-type postmarks of some few branch post offices with the date impressed or completed by a hand written date
also double-oval markings exist
these markings were used before receiving of the first standard postmark

different types of railway station markings
completed with hand written dates or a date stamp










Standard postmarks

of different types ( type 2, 4, 5, 6 and 10 are known and marked with the actual type in the "type" column in the list)



Standard postmarks from a larger post office used by a small post office (on site or on forwarded mail) before they had got their standard postmark or during a period when their postmark was sent to the workshop for reparation or re-engraving