Bulgaria Post PLC issued the stamp series feature the poisonous mushrooms on July 29, 2011. The issue stamp are 4 single stamps and one miniature sheet depicted the poisonous mushroom such as: Rhodophyllus sinuatus, Russula emetica, Omphalotus olearius Sing, Inocybe patouillardii.
Many people are interested in mushroom because they are edible. But everyone also knows that wild mushroom can be both delicious and deadly poisonous. Unfortunately, there is no simple way of saying what is edible and what is poisonous. Many poisonings occur when people are experimenting with odd species. There has also been some concern about the concentrations of metals such as arsenic, cadmium, copper and lead in wild mushroom.
