英国半克朗银币2枚一组,包括1887年及1923年,均NGC MS62,Alan Perkins旧藏,#6295510-035及#6295510-075。Great Britain, a pair of silver 1/2 crowns, 1x 1887, Jubilee head on obverse, crowned shield on reverse, 1x 1923, George V on obverse, crowned shield on reverse, both graded NGC MS62, Alan Perkins Collection, Cert. #6295510-035 and 6295510-075 (2)