1887 Great Britain Victoria Jubilee Head 1Crown 28.28Grams Silver Coin NGC MS 631 Oct, 2024 in great tagged 1crown / 2828grams / britain / coin / great / head' / jubilee / silver / victoria by admin Issuing Country Great Britain. Issuing Authority The Royal Mint. Weight 28.28 Grams (0.8381 oz ASW). Coin Grading Service NGC.