The Pico de Orizaba, also known as Citlaltépetl, is a volcano and the highest mountain in Mexico and the highest volcano in North America as well. Pico de Orizaba is the third highest mountain in North America after Mt. McKinley in Alaska (6'194 m) and Mount Logan in Canada (5'959 m).
Pico de Orizaba is one of the Volcanic Seven Summits.
(the following list is not completed)
Mexico 1934, Pico de Orizaba (Citlaltépetl)
The stamp existits from 1944 with an other watermark.
Mexico 2002, Pico de Orizaba (Citlaltépetl).
The stamp was issued in honour of the "International Year of Mountain".
Mexico 2009, Pico de Orizaba (Citlaltépetl).