First Day of Issue = December 7, 1932 Size: 29.00 mm x 35.00 mm Quantity printed = 10,120 Perforated 10.00 x 11.50 Print method: Lithography Issued to shows stages of aviation development. This stamp shows the profile of Leonardo da Vinci. Watermark Catalog numbers Scott CB10a Michel LV 211B For more information check out the links below Latvian airmail semipostal stamps Latvian aviation Leonardo da Vinci |