Stamp depicts tapped rubber trees.

Depicts cement factory as well as high-rise buildings.

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

Austrian stamp commemorating Carl Auer von Welsbach (1858-1929), an Austrian chemist and inventor.

Austrian stamp commemorating Carl Auer von Welsbach (1858-1929), an Austrian chemist and inventor.

First day cover commemorating the 175th anniversary of École des Mines de Paris (National Superior School of Mines), also known as Mines Paris.

Cachet and stamp depict oil pipeline and drilling derricks.

Cachet created by Fleetwood depicting "The Chemist" along with ACS logo and the tagline, "Maker of a Better Tomorrow." Stamp issued to commemorate the diamond jubilee of the American Chemical Society.

Cachet, stamp, and postmark depict oil derricks.

French postage stamp commemorating chemist Henri-Étienne Sainte-Claire Deville (1818-1881), who invented the first economical process for producing aluminum.

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…

Postage stamp from the German Democratic Republic (East Germany), commemorating the 250th anniversary of the German Academy of Sciences in Berlin. The stamp features a portrait of Hermann von Helmholtz (1821-1894), a…

Irish stamp commemorating Robert Boyle (1627 - 1691). The stamp features a portrait of Boyle and his air pump.

Mexican postage stamp issued to commemorate the 20th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Mexican postage stamp issued to commemorate the 20th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Mexican postage stamp issued to commemorate the 20th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Mexican postage stamp issued to commemorate the 20th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Mexican postage stamp issued to commemorate the 40th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Mexican postage stamp issued to commemorate the 40th anniversary of the nationalization of all petroleum reserves, facilities, and foreign oil companies in Mexico and the establishment of the state-owned petroleum…

Two cachets created by Fleetwood depicting "The Chemist" along with ACS logo and the tagline, "Maker of a Better Tomorrow." Stamp issued to commemorate the diamond jubilee of the American Chemical Society.