First Day of Issue = December 15, 1934
Size: 23.00 mm x 27.00 mm
Quantity printed = 1,549,000
Perforated 10.00 x 11.50
Print method: Lithography

Stamp shows Riga Castle.

Watermark



Catalog numbers
Scott 179
Michel LV 237

For more information check out the links below
Riga Castle
Riga Castle (Wikipedia)