hammer and sickle

noun2

1. •
   A depiction of a sickle crossed with a hammer, used as a symbol of communism and the Soviet Union.

   • He remembers the [train] journeys fondly—the vast expanses of the Soviet empire rolling by, the glasses of tea served in metal cup holders embossed with the hammer and sickle. — 2022
2. •
   Socialism or communism itself.