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John Muir Cachet Event Covers

(Covers celebrating dates other than 1964 or 1998 John Muir postage stamps. The covers here are those depicting John Muir, but often with non-Muir postage stamps or in combination.

Non-Muir Postage Stamp Covers with John Muir Cachet


Combination Covers with 1998 Postage Stamp

Combination Covers with 1964 Postage Stamp

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