First Day of Issue = September 18, 2020
Size: 30.00 mm x 38.00 mm
Quantity printed = 50,000
Perforated 13.25 x 13.75
Print method: Lithography

Creative team
Arta Ozola-Jaunarāja, Designer

Emīlija Gudriniece (1920-2004), Latvian organic chemist, was one of the first to recognize the potential of using vegetable oils as biofuels

Catalog numbers
Scott 1057

For more information check out the links below
Biofuel
Emīlija Gudriniece