1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned $4 Obverse: The 'Christian VIII' on

Obverse: The 'Christian VIII' on fire sinking

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9802 oz AGW)

3363 oz ASW Description Obverse Bust left Description Reverse Arms within design

1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned $4 Obverse: The 'Christian VIII' onLimited to just 1,000 strikes, these . 925 Silver Medals were struck by the Royal Mint in honour of 300 years of The Royal Greenwich Observatory. Medal #1 celebrates the Ramsden sextant (Jesse Ramsden) Medal #2 celebrates the armillary sphere. Medal #3 celebrates the first marine timekeeper (John Harrison) Each medal weighs 3. 2 troy ounces for a total of 8. 88 toz net pure silver. For as good as these look in the pictures, I think they look even