Very good looking bird. My observations are that Topaz is indeed a hen as for spalding, she looks to have green blood, her neck feathers are consistent with an IB hen. The whispy train feathers are as @Blue Creek described. As a caveat concerning whispy train feathers on greens and spaldings...
Spurs, (this is especially true in greens) can help you determine sex ie... Both sexes will normally get spurs and they usually start at around 10-12 months, when the spurs first start to bud a young males spurs will have an oblong shape to them similar to a bean and they will be dull. A young...
Im seeing a rooster, as for spalding, it could be a low % spalding but spaldings are very confusing when it comes to patterns and colors for sure. Just some observations I have made over the years, Ive had older IB hens and roosters (especially whites) that show some facial coloring such as...
Im following you here but I'm still a little confused with the pics and yes if its a spalding it does change things, more pics needed for sure.
Gerald Barker