First Day of Issue = January 5, 1920
Size: 27.25 mm x 39.00 mm
Quantity printed = 1,005,290
Perforated 10.00 x 11.50

Catalog numbers
Scott 67
Michel LV 39

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