Something Innes wrote about often was how many countries around the world depicted aquarium fish--tropical and goldfish--on their postage stamps. To my knowledge, Canada and the USA have yet to do it. Here's a sampling from around the world spanning issues from the 1960s through the near present featuring species we have often discussed here.
Hungary:
Guniea-Bissau:
Mongolia:
Bulgaria:
Singapore:
P.R. China:
Indonesia:
Hungary:
Guniea-Bissau:
Mongolia:
Bulgaria:
Singapore:
P.R. China:
Indonesia:
