1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned PF-11/Cr.319 WESTMINSTER / HALL

WESTMINSTER / HALL

Reverse: Shield within designed circle and wreath above value

Contains a total of 1

NGC MS 69 & PF 69 UCAM

for knitting machine

1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned PF-11/Cr.319 WESTMINSTER / HALLLimited 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