First Day of Issue = December 5, 1931
Size: 35.75 mm x 30.50 mm
Perforated 10.00 x 11.50

This is C07.jpg overprinted with "LATVIJAS AIZSARGI" and surcharged 1 lats. The surtax was for the Latvian Home Guards.

Watermark



Catalog numbers
Scott CB4a
Michel LV 191B

For more information check out the links below
Aizsargi (Home Guard)
Latvian airmail semipostal stamps
Latvian aviation