#2375-2381 Hungary - Environmental Protection (MNH)
1975 Environmental Protection, Set of 7. Designs: 40f, Fish and Waves (Ocean pollution). 60f, Skeleton hand reaching for rose in water glass. 80f, Fish gasping for raindrop. 1fo, Carnation wilting in polluted soil. 1.20fo, Bird dying in polluted air. 5fo, Sick human lung and smokestack. 6fo, "Stop Pollution" (raised hand protecting globe from skeleton hand).