the john muir exhibit - stamps - 1964 first day cachet
Artmaster Webcraft Enhanced John Muir 1964 First Day Cover
Artmaster first day cover - hand-tinted by Webcraft.
A cachet enhancement by Webcraft has also been added bearing the name "Yosemite National Park" with an image of Vernal Falls, and the name "John Muir" in large color letting.
The Webcraft name and the year the tinting and cachet enhancement was applied in 2019.
First Day Cover by Artmaster, with colorized hand tinting and add-on cachet by Webcraft.
Muir has subsequently been honored with a 32 cent postage stamp in 1998.