Cachet and stamp depict oil pipeline and drilling derricks.

On March 7, 1955, France issued a set of six stamps under the theme "Famous Inventors." One of these stamps featured Sainte-Claire Deville who created metallic aluminum in 1855. Stamp depicts modern uses of aluminum…

First day cover created by Artmaster includes cachet depicting a 3D image of a nonexistent molecule. Stamp depicts chemical glassware. Envelope is signed by Herman S. Bloch, the inventor of the catalytic converter.

Cachet created by ArtCraft depicts a male and female chemist working in a laboratory setting, with text reading, "A Century of Modern Chemistry." Cover signed by Glen Seaborg.

Cachet and stamp depict Claude-Louis Berthollet. Cachet includes text describing Berthollet's contributions to water purification.

Stamp from the series on the Leipzig Spring Trade Fair in 1950. Commemorates first porcelain on the trade fair in 1710.

Depicts cement factory as well as high-rise buildings.

Depicts William Wrigley Jr., as well as a worker tapping a sapodilla tree, which was used to manufacture bubble gum. Includes the bicentennial logo of the American Revolution.

Stamp depicts tapped rubber trees.

Stamp depicts the maple leaf cement factory in Daud Khel, Pakistan. The Colombo Plan for Cooperative Economic and Social Development in Asia and the Pacific is a regional inter-governmental organization. It was…

Stamp depicts a sugar refinery along with a profile of Queen Elizabeth II in gold.

Cachet depicts a light beam passing through a prism to create a spectrum. Stamp depicts colors of the spectrum. The 15th Colloquium Spectroscopicum Internationale was held May 26-30, 1969 in Madrid, Spain.

Cachet depicts two chemists working in a laboratory.

Depicts three 19th-century silver miners.

Depicts oil derrick, pipeline, and emblem of the 6th Annual Arab Petroleum Congress held in Baghdad, Iraq in March 1967.

Depicts logo of the Accra Assembly held in Ghana on June 21-28, 1962, together with three postage stamps of Ghana.

Cachet created by ArtCraft includes depictions of an Atomic Research Center. Stamp depicts a mushroom cloud from a nuclear explosion crossed out with an "x".

First Day Cover commemorating the inauguration of the atomic reactor at National Tsing Hua University in Hsinchu, Taiwan. The stamp and envelope feature several illustrations of the reactor, which was completed on April…

Cachet and stamp depict a mushroom cloud from a nuclear weapons test. Cachet was created by Fleetwood and the stamp was commissioned by the United Nations Postal Administration. Postmark depicts the United Nations…

Stamp printed in USSR shows bomb, globe, model of an atom, Sputniks, and a ship.

Stamp printed in Belgium shows the Atomium and exposition emblem of the 1958 World's Fair in Brussels.

Cachet created by Colorano is a silk depiction of Rosalyn S. Yalow with text that describes the work which earned her the 1977 Nobel Prize in Medicine. Part of the Women's History Series (No. 83) by the National…

Cachet is a "Fluegel Cover" depicting atomic bomb blast over Hiroshima, Japan. Stamp depicts U.S. Marines raising the flag at Iwo Jima.

Stamp published by the Soviet Union depicts images of an atom and the Institute for Nuclear Research of the Russian Academy of Sciences.

Cachet depicts Frederick Banting and Charles Best with a description of how they isolated and refined insulin as an independent hormone.