Crypto Stamp 4.0: Bull - Gold edition (Austria 2022)

Stamp Crypto Stamp 4.0: Bull - Gold edition it reflects the thematic directions:

Bulls and cows (also known as cows and bulls or pigs and bulls) is a code-breaking mind or paper and pencil game for two or more players. The game is played in turns by two opponents who aim to decipher the other's secret code by trial and error. 

Cattle (Bos taurus) are large, domesticated, bovid ungulates widely kept as livestock. They are prominent modern members of the subfamily Bovinae and the most widespread species of the genus Bos. Mature female cattle are called cows and mature male cattle are bulls. Young female cattle are called heifers, young male cattle are oxen or bullocks, and castrated male cattle are known as steers.

Crypto-communism (or cryptocommunism) is a secret support for, or admiration of, communism. Individuals and groups have been labelled as crypto-communists, often as a result of being associated with, or influenced by communists. Crypto-communism among political leaders aided the sovietization of the Baltic states.