First Day of Issue = December 16, 1919
Size: 27.25 mm x 39.00 mm
Quantity printed = 2,998,200
Perforated 10.00 x 11.50

Catalog numbers
Scott 66
Michel LV 38

For more information check out the links below
Date of issue and printing data
Shows difference between real stamp and forgery
The Liberation of Kurzeme