The First day of issue was 8 January 1919 according to three sources, but some catalogues list the 5th February 1919.  The January date indeed appears to be very early, considering that the stamps would thus be issued only 5 days after Riga was taken by the Soviets.  The stamps were printed in four panes per printing sheet whereby each pane was perforated 9 3/4 horizontally in the middle only, thus dividing the pane into two parts, each of 50 stamps.  Officially, imperforate stamps only were issued.  Unofficially a small quantity was perforated and used for franking.

According to Petrevics the quantities issued were as follows:

    The previous information was copied from The Postal and Monetary History of Latvia 1918-1945 by N. Jakimovs, V. Marcilger.