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    Re: Spanish celestial navigation
    From: Frank Reed
    Date: 2024 Apr 1, 16:29 -0700

    Charles McElhill, you wrote:
    "...this stamp business"

    Stamp business?? Turns out it's multiple postage stamp issues and paper currency (see previous) and a fine silver commemorative coin. Jorge Juan has been honored —with at least a nod to celestial navigation— multiple times in Spanish honorabilia. Look at that very finely drawn sextant on the commemorative coin from last year (his death year +250). There's also a sextant on the "first day cover" for that first stamp (below), but that sextant has a little curious feature about it. See it?

    Frank Reed

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