John Muir Commemorative

United States · 1964 · 5¢

The stamp features a portrait of John Muir, a prominent conservationist, with his name and title 'CONSERVATIONIST' below, along with 'U.S. POSTAGE 5¢'.

Issued in 1964, this stamp honors John Muir, a pioneering naturalist and advocate for wilderness preservation, reflecting the growing environmental awareness and conservation efforts in the United States during that period.