1973 Soviet stamp featuring Lily of the Valley (Convallaria majalis). Lily of the Valley is used in homeopathic remedies primarily to address cardiovascular issues and associated symptoms.

Israeli postage stamp issued in a series of the twelve tribes of Israel. This stamp, featuring a mandrake plant, represents the tribe of Ruben.

The mandrake has a long history of medicinal uses, magical practices, and…

1962 postage stamp from Poland featuring an illustration of a pasque flower (Pulsatilla vulgaris). Pasque flowers are considered an endangered species and are protected in Poland. This stamp is from a series of…

1963 Yugoslavian postage stamp of Black Henbane (Hyoscyamus niger). Hyoscyamus niger, also called black henbane and stinking nightshade, is a poisonous plant. Traditionally, it was used in herbal medicines to treat an…

1962 postage stamp from Poland featuring an illustration of a Snowdrop anemone (Anemonoides sylvestris). Snowdrops, also known as wood anemones, are considered an endangered species and are protected in Poland. This…

1955 Yugoslavian postage stamp depicting Nicotiana tabacum, or tabaco plant. Tobacco has a long history of traditional medicinal uses. Most commonly, topical uses such as skin infections, snake bites, toothaches, and…

1961 Hungarian postage stamp of Devil's snare (Datura stramonium). Devil's snare is a highly toxic plant containing potent tropane alkaloids, primarily scopolamine and hyoscyamine. Devil's snare, also known as Jimson…

1953 Bulgarian postage stamp featuring an illustration of Jimson weed (Datura stramonium). Jimson weed, also known as Thornapple or Devil's Trumpet, was historically used in traditional medicine to treat asthma,…

1948 Austrian postage stamp featuring a pasque flower (Pulsatilla vulgaris).

Czechoslovakian stamp commemorating the International Congress on the History of Pharmacy. The stamp features illustrations of Black Henbane (Hyoscyamus niger), a mortar and pestle, and a grinder.

Hyoscyamus niger,…

1957 postage stamp from Yugoslavia featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1974 postage stamp from Switzerland featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils,…

1953 Bulgarian postage stamp featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1957 postage stamp from Yugoslavia, depicting the Scopolia carniolica plant. Scopolia carniolica is a highly toxic plant containing potent tropane alkaloids, primarily scopolamine and hyoscyamine. The plant is the…

1969 Bulgarian postage stamp featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1965 postage stamp from Yugoslavia featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1949, semi-postal stamp from Belgium featuring Periwinkle (Vinca). Periwinkle is known for producing alkaloids like vincristine and vinblastine. These compounds are potent anticancer agents used in chemotherapy for…

Postage stamp featuring an illustration of a variety of tree peonies called Lan Tian Jade (藍田玉). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of China.

French stamp commemorating the birth of Marie Skłodowska Curie (1867-1934). Curie was the first woman to win a Nobel Prize, the only woman to win two Nobel Prizes, and the only person to win the Nobel Prize in two…

Czechoslovakian stamp commemorating the 1963 Technical and Scientific Knowledge Society Congress.

Spanish stamp commemorating the Seventh Latin and First European Congress of Radiology, held in Barcelona in 1967. The stamp features an atomic model, an X-ray tube, and Wilhelm Conrad Röntgen (1845-1923), the German…

Two Romanian postage stamps commemorating the Second Congress of the Association of Scientists and Technicians (ASIT), held in Bucharest, Romania, in 1957. The Stamp features an illustration of a slide rule and a…

Soviet Union stamp, issued in 1968, commemorating the 50th Anniversary of the N.S. Kurnakov Institute of General and Inorganic Chemistry. The stamp features the Re2Cl82- molecule and the N.C. Kurnakov building.

Stamp issued by Ras Al Khaimah, commemorating Expo 70, the Japan World Exposition, which was held in Osaka, Japan. The stamp features the Japan Gas Association pavilion.

Indian postage stamp commemorating the 23rd International Atomic Energy Agency (IAEA) Conference.