Sweeney Todd's vest style, middle vest second row from bottom, collar style and double-breast places the costume in the
Malet's 'new' frock coat (see scene with tailor). There are no pleats or gathers. The cut would tend to highlight an athletic walk. Judge Thatcher - but with a gray coat.
Victorian Men’s Costume, Dickens Fair Costume,
Sasha Hart CG Artist: Character Design: Victorian Mens Fashion Research
Victorian Upper-Class Men and their Daily Lifestyle - Art of Manliness
Frock coat, western style, worthy of Rex Allen!