The postage stamps depict the flora and fauna of the Red Book of the Republic of Kazakhstan. On October 31, 2024 the Ministry of digital development, innovations and aerospace industry of the Republic of Kazakhstan puts into circulation the souvenir sheet of two stamps of the “Europe” series on the theme “Underwater Fauna & Flora”. Size of the souvenir sheet: hexagon with each side 53 mm. Security elements - UV inks, varnishing and congreve embossing were imposed in the postage stamps.