First Day of Issue = May 26, 1930
Size: 50.00 mm x 28.00 mm
Quantity printed = 20,000
Perforated 10.00 x 11.50
Print method: Lithography

Stamp shows Durbes Pils birthplace of Rainis. The surtax was for the Rainis Memorial Fund

Watermark
Watermark


Catalog numbers
Scott CB1
Michel LV 159A

For more information check out the links below
Durbes Pils
Latvian airmail semipostal stamps
Latvian aviation
Rainis
Visit Durbes Pils