Astronaut Clayton Anderson to Autograph NGC Labels

  1. Astronaut Clayton Anderson to Autograph NGC Labels  CoinNews.net

  2. NGC Signs American Astronaut Clayton Anderson to Autograph Labels  Coin Dealer Newsletter (press release) (blog)

    3. Full coverage

from Science – Google News http://www.coinnews.net/2018/06/20/astronaut-clayton-anderson-to-autograph-ngc-labels/

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