1900 Great Britain LXIV CROWN Silver Coin NGC MS636 Jun, 2023 in great tagged britain / coin / crown / great / lxiv / ms63 / silver by admin Great Britain UK Silver Coin. Composition Silver 0.925. This is 28.28g and has a diameter of 38.61mm. The actual item is a shining item without cloudiness, so be quick! International Buyers – Please Note.