Victoria 1st portrait; 'Gothic' type

Description

This is the 1870 Circulation issue with a mintage of 1,080,600. The standard weight of these coins was 4/11 troy ounce (174.5 grains). Obverse die varieties: KM#746.1, Sp#3891 (1851-63) Type B1 - reads 'brit:', WW below bust, no die number; KM#746.3, Sp#3892 (1864-67) Type B2 - similar as last but die number below bust; KM#746.2, Sp#3893 (1868-79) Type B3 - similar as last but reads 'britt:' ; KM#746.2, Sp#3894 (1877 only) Type B4 - similar as last but border of 48 arcs, no WW below bust; KM#746.2, Sp#3895 (1877-78) Type B5 - similar as last but border of 42 arcs; KM#746.4, Sp#3897 (1877-79) Type B6 - similar reads 'britt:', WW, no die number, border of 48 arcs; KM#746.4, Sp#3898 (1879 only) Type B7 - similar as last but no WW, border of 38 arcs; KM#746.4, Sp#3900 (1880-87) Type B8 - similar as last but younger portrait, border of 34 arcs; KM#746.4, Sp#3901 (1887 only) Type B9 - similar as last but border of 46 arcs;