First Day of Issue = August 27, 2021
Size: 44.00 mm x 28.00 mm
Quantity printed = 50,000
Perforated 13.25 x 13.50
Print method: Lithography
Printed by Baltic Banknote, Riga, Latvia

Creative team
Ārts Grīva, Designer

Riga State Gymnasium No. 1 (first Latvian high school)

Catalog numbers
Scott 1080
Michel LV 1136

For more information check out the links below
First Latvian high school