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10 John Muir Conservationist 5 Cent Vintage Postage Stamps. Naturist, Father of National Parks. Wedding Postage. Unused MNH Stamps. - Etsy
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Amazon.com: 1964 JOHN MUIR ~ CONSERVATIONIST #1245 Plate Block of 4 x 5 cents US Postage Stamps : Toys & Games
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Five 32c John Muir Stamps .. Unused US Postage Stamps Yosemite National Parks Conservationist California Parks Stamps for Mailing - Etsy
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US #1245 MNH Single w/Selvage John Muir SCV $.25 L23 | United States, General Issue Stamp / HipStamp
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Amazon.com: US Postage Stamp Single 1964 John Muir Conservationist Issue 5 Cents Scott #1245 : Toys & Games
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Inspiration for Stamp Design Found in John Muir's Words - news article 9 May 1964.jpg | Photo by Harold Wood | FOREVER.com
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